22551029 has 8 divisors (see below), whose sum is σ = 23009688. Its totient is φ = 22095360.

The previous prime is 22551013. The next prime is 22551059. The reversal of 22551029 is 92015522.

It can be written as a sum of positive squares in 4 ways, for example, as 442225 + 22108804 = 665^2 + 4702^2 .

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 22551029 - 2⁴ = 22551013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22550989 and 22551007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20009 + ... + 21105.

It is an arithmetic number, because the mean of its divisors is an integer number (2876211).

Almost surely, 2^22551029 is an apocalyptic number.

It is an amenable number.

22551029 is a deficient number, since it is larger than the sum of its proper divisors (458659).

22551029 is a wasteful number, since it uses less digits than its factorization.

22551029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 22551029 is about 4748.7923728038. The cubic root of 22551029 is about 282.5240703118.

The spelling of 22551029 in words is "twenty-two million, five hundred fifty-one thousand, twenty-nine".