22538202 has 8 divisors (see below), whose sum is σ = 45076416. Its totient is φ = 7512732.

The previous prime is 22538119. The next prime is 22538203. The reversal of 22538202 is 20283522.

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

22538202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22538203) 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 3 ways as a sum of consecutive naturals, for example, 1878178 + ... + 1878189.

It is an arithmetic number, because the mean of its divisors is an integer number (5634552).

Almost surely, 2^22538202 is an apocalyptic number.

22538202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22538202 is a wasteful number, since it uses less digits than its factorization.

22538202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756372.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22538202 is about 4747.4416268133. The cubic root of 22538202 is about 282.4704936943.

The spelling of 22538202 in words is "twenty-two million, five hundred thirty-eight thousand, two hundred two".