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22244404407 = 333149223681
BaseRepresentation
bin10100101101110111…
…101010110010110111
32010102020202211021220
4110231313222302313
5331024031420112
614115142441423
71415144213661
oct245567526267
963366684256
1022244404407
1194854282a5
124389733273
132136685794
141110401531
158a2d0998c
hex52ddeacb7

22244404407 has 8 divisors (see below), whose sum is σ = 29660233200. Its totient is φ = 14829089280.

The previous prime is 22244404367. The next prime is 22244404411. The reversal of 22244404407 is 70440444222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22244404407 - 27 = 22244404279 is a prime.

It is a super-2 number, since 2×222444044072 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244402407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12394 + ... + 211287.

It is an arithmetic number, because the mean of its divisors is an integer number (3707529150).

Almost surely, 222244404407 is an apocalyptic number.

22244404407 is a deficient number, since it is larger than the sum of its proper divisors (7415828793).

22244404407 is a wasteful number, since it uses less digits than its factorization.

22244404407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256833.

The product of its (nonzero) digits is 57344, while the sum is 33.

Adding to 22244404407 its reverse (70440444222), we get a palindrome (92684848629).

The spelling of 22244404407 in words is "twenty-two billion, two hundred forty-four million, four hundred four thousand, four hundred seven".

Divisors: 1 3 33149 99447 223681 671043 7414801469 22244404407