22429790 has 8 divisors (see below), whose sum is σ = 40373640. Its totient is φ = 8971912.

The previous prime is 22429787. The next prime is 22429811. The reversal of 22429790 is 9792422.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22429790.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1121480 + ... + 1121499.

It is an arithmetic number, because the mean of its divisors is an integer number (5046705).

Almost surely, 2^22429790 is an apocalyptic number.

22429790 is a deficient number, since it is larger than the sum of its proper divisors (17943850).

22429790 is a wasteful number, since it uses less digits than its factorization.

22429790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242986.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22429790 is about 4736.0099239761. The cubic root of 22429790 is about 282.0168576345.

The spelling of 22429790 in words is "twenty-two million, four hundred twenty-nine thousand, seven hundred ninety".