22370157242018 has 4 divisors (see below), whose sum is σ = 33555235863030. Its totient is φ = 11185078621008.

The previous prime is 22370157241979. The next prime is 22370157242051. The reversal of 22370157242018 is 81024275107322.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 20085213612409 + 2284943629609 = 4481653^2 + 1511603^2 .

It is a super-2 number, since 2×22370157242018² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22370157242018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5592539310503 + ... + 5592539310506.

Almost surely, 2^{22370157242018} is an apocalyptic number.

22370157242018 is a deficient number, since it is larger than the sum of its proper divisors (11185078621012).

22370157242018 is a wasteful number, since it uses less digits than its factorization.

22370157242018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11185078621011.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 22370157242018 in words is "twenty-two trillion, three hundred seventy billion, one hundred fifty-seven million, two hundred forty-two thousand, eighteen".