22429629 has 24 divisors (see below), whose sum is σ = 33825792. Its totient is φ = 14852160.

The previous prime is 22429621. The next prime is 22429637. The reversal of 22429629 is 92692422.

It is a happy number.

22429629 is a `hidden beast` number, since 2 + 2 + 4 + 29 + 629 = 666.

It is an interprime number because it is at equal distance from previous prime (22429621) and next prime (22429637).

It is not a de Polignac number, because 22429629 - 2³ = 22429621 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22429593 and 22429602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22429621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58372 + ... + 58754.

It is an arithmetic number, because the mean of its divisors is an integer number (1409408).

Almost surely, 2^22429629 is an apocalyptic number.

It is an amenable number.

22429629 is a deficient number, since it is larger than the sum of its proper divisors (11396163).

22429629 is an equidigital number, since it uses as much as digits as its factorization.

22429629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 627 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 22429629 is about 4735.9929265150. The cubic root of 22429629 is about 282.0161828649.

The spelling of 22429629 in words is "twenty-two million, four hundred twenty-nine thousand, six hundred twenty-nine".