22315148218 has 16 divisors (see below), whose sum is σ = 37502609184. Its totient is φ = 9869106960.

The previous prime is 22315148213. The next prime is 22315148227. The reversal of 22315148218 is 81284151322.

It is a happy number.

It is a super-3 number, since 3×22315148218³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (22315148213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13706280 + ... + 13707907.

It is an arithmetic number, because the mean of its divisors is an integer number (2343913074).

Almost surely, 2^22315148218 is an apocalyptic number.

22315148218 is a deficient number, since it is larger than the sum of its proper divisors (15187460966).

22315148218 is a wasteful number, since it uses less digits than its factorization.

22315148218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27414237.

The product of its digits is 30720, while the sum is 37.

The spelling of 22315148218 in words is "twenty-two billion, three hundred fifteen million, one hundred forty-eight thousand, two hundred eighteen".