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40222469 = 723318059
BaseRepresentation
bin1001100101101…
…1111100000101
32210200111212002
42121123330011
540244104334
63554035045
7665612450
oct231337405
983614762
1040222469
1120782811
1211578a85
138443ba1
1454b0497
1537e7b7e
hex265bf05

40222469 has 16 divisors (see below), whose sum is σ = 49520640. Its totient is φ = 31909680.

The previous prime is 40222453. The next prime is 40222471. The reversal of 40222469 is 96422204.

It is a cyclic number.

It is not a de Polignac number, because 40222469 - 24 = 40222453 is a prime.

It is a super-2 number, since 2×402224692 = 3235694024911922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962 + ... + 9020.

It is an arithmetic number, because the mean of its divisors is an integer number (3095040).

Almost surely, 240222469 is an apocalyptic number.

It is an amenable number.

40222469 is a deficient number, since it is larger than the sum of its proper divisors (9298171).

40222469 is a wasteful number, since it uses less digits than its factorization.

40222469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40222469 is about 6342.1186523117. The cubic root of 40222469 is about 342.6280452560.

The spelling of 40222469 in words is "forty million, two hundred twenty-two thousand, four hundred sixty-nine".

Divisors: 1 7 23 31 161 217 713 4991 8059 56413 185357 249829 1297499 1748803 5746067 40222469