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2022011001 = 32461487349
BaseRepresentation
bin111100010000101…
…0111000001111001
312012220202210122100
41320201113001321
513120113323001
6532350414013
7101051544543
oct17041270171
95186683570
102022011001
1194841087a
12485201309
13262bb2c1a
14152788693
15bc7ae586
hex78857079

2022011001 has 12 divisors (see below), whose sum is σ = 2927024100. Its totient is φ = 1345080480.

The previous prime is 2022010999. The next prime is 2022011009. The reversal of 2022011001 is 1001102202.

It can be written as a sum of positive squares in 2 ways, for example, as 205205625 + 1816805376 = 14325^2 + 42624^2 .

It is not a de Polignac number, because 2022011001 - 21 = 2022010999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2022011009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239526 + ... + 247823.

It is an arithmetic number, because the mean of its divisors is an integer number (243918675).

Almost surely, 22022011001 is an apocalyptic number.

It is an amenable number.

2022011001 is a deficient number, since it is larger than the sum of its proper divisors (905013099).

2022011001 is a wasteful number, since it uses less digits than its factorization.

2022011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487816 (or 487813 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2022011001 is about 44966.7766356451. The cubic root of 2022011001 is about 1264.5262175097.

Adding to 2022011001 its reverse (1001102202), we get a palindrome (3023113203).

The spelling of 2022011001 in words is "two billion, twenty-two million, eleven thousand, one".