22138057534 has 4 divisors (see below), whose sum is σ = 33207086304. Its totient is φ = 11069028766.

The previous prime is 22138057531. The next prime is 22138057549. The reversal of 22138057534 is 43575083122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22138057534² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22138057531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5534514382 + ... + 5534514385.

It is an arithmetic number, because the mean of its divisors is an integer number (8301771576).

Almost surely, 2^22138057534 is an apocalyptic number.

22138057534 is a deficient number, since it is larger than the sum of its proper divisors (11069028770).

22138057534 is a wasteful number, since it uses less digits than its factorization.

22138057534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069028769.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 22138057534 in words is "twenty-two billion, one hundred thirty-eight million, fifty-seven thousand, five hundred thirty-four".