22324638 has 32 divisors (see below), whose sum is σ = 54031104. Its totient is φ = 6003072.

The previous prime is 22324637. The next prime is 22324657. The reversal of 22324638 is 83642322.

It is a super-3 number, since 3×22324638³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22324633) 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 15 ways as a sum of consecutive naturals, for example, 14920 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (1688472).

Almost surely, 2^22324638 is an apocalyptic number.

22324638 is an abundant number, since it is smaller than the sum of its proper divisors (31706466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22324638 is a wasteful number, since it uses less digits than its factorization.

22324638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31296.

The product of its digits is 13824, while the sum is 30.

The square root of 22324638 is about 4724.8955544012. The cubic root of 22324638 is about 281.5754640161.

The spelling of 22324638 in words is "twenty-two million, three hundred twenty-four thousand, six hundred thirty-eight".