22585072938 has 8 divisors (see below), whose sum is σ = 45170145888. Its totient is φ = 7528357644.

The previous prime is 22585072933. The next prime is 22585072943. The reversal of 22585072938 is 83927058522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22585072933) and next prime (22585072943).

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

22585072938 is an admirable number.

It is a super-2 number, since 2×22585072938² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22585072933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882089406 + ... + 1882089417.

It is an arithmetic number, because the mean of its divisors is an integer number (5646268236).

Almost surely, 2^22585072938 is an apocalyptic number.

22585072938 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.

22585072938 is a wasteful number, since it uses less digits than its factorization.

22585072938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764178828.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 22585072938 in words is "twenty-two billion, five hundred eighty-five million, seventy-two thousand, nine hundred thirty-eight".