22057629 has 16 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 13310000.

The previous prime is 22057601. The next prime is 22057639. The reversal of 22057629 is 92675022.

It is a happy number.

It is not a de Polignac number, because 22057629 - 2¹³ = 22049437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 22057629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057639) 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 15 ways as a sum of consecutive naturals, for example, 6952 + ... + 9614.

It is an arithmetic number, because the mean of its divisors is an integer number (2013984).

Almost surely, 2^22057629 is an apocalyptic number.

It is an amenable number.

22057629 is a deficient number, since it is larger than the sum of its proper divisors (10166115).

22057629 is a wasteful number, since it uses less digits than its factorization.

22057629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 22057629 is about 4696.5550140502. Note that the first 3 decimals coincide. The cubic root of 22057629 is about 280.4483844770.

The spelling of 22057629 in words is "twenty-two million, fifty-seven thousand, six hundred twenty-nine".