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22429901 = 135233299
BaseRepresentation
bin101010110010…
…0000011001101
31120012120001002
41111210003031
521220224101
62120430045
7361436204
oct125440315
946176032
1022429901
111172aa0a
127618325
134854440
142d9c23b
151e80d6b
hex15640cd

22429901 has 8 divisors (see below), whose sum is σ = 24208800. Its totient is φ = 20658672.

The previous prime is 22429877. The next prime is 22429903. The reversal of 22429901 is 10992422.

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

It is a cyclic number.

It is not a de Polignac number, because 22429901 - 210 = 22428877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22429903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (3026100).

Almost surely, 222429901 is an apocalyptic number.

It is an amenable number.

22429901 is a deficient number, since it is larger than the sum of its proper divisors (1778899).

22429901 is a wasteful number, since it uses less digits than its factorization.

22429901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22429901 is about 4736.0216426870. The cubic root of 22429901 is about 282.0173228465.

The spelling of 22429901 in words is "twenty-two million, four hundred twenty-nine thousand, nine hundred one".

Divisors: 1 13 523 3299 6799 42887 1725377 22429901