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22074011631 = 327350381137
BaseRepresentation
bin10100100011101101…
…101010111111101111
32002222101010222100100
4110203231222333233
5330201421333011
614050214402143
71411005001020
oct244355527757
962871128310
1022074011631
1193a8227721
124340660353
13210a296759
1410d5928c47
15892d9cd56
hex523b6afef

22074011631 has 12 divisors (see below), whose sum is σ = 36439638352. Its totient is φ = 12613720896.

The previous prime is 22074011599. The next prime is 22074011699. The reversal of 22074011631 is 13611047022.

22074011631 is a `hidden beast` number, since 2 + 20 + 7 + 4 + 0 + 1 + 1 + 631 = 666.

It is not a de Polignac number, because 22074011631 - 25 = 22074011599 is a prime.

It is a super-2 number, since 2×220740116312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22074011595 and 22074011604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074011231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175190506 + ... + 175190631.

Almost surely, 222074011631 is an apocalyptic number.

22074011631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22074011631 is a deficient number, since it is larger than the sum of its proper divisors (14365626721).

22074011631 is a wasteful number, since it uses less digits than its factorization.

22074011631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350381150 (or 350381147 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 22074011631 its reverse (13611047022), we get a palindrome (35685058653).

The spelling of 22074011631 in words is "twenty-two billion, seventy-four million, eleven thousand, six hundred thirty-one".

Divisors: 1 3 7 9 21 63 350381137 1051143411 2452667959 3153430233 7358003877 22074011631