22237542667 has 4 divisors (see below), whose sum is σ = 22256183880. Its totient is φ = 22218901456.

The previous prime is 22237542653. The next prime is 22237542671. The reversal of 22237542667 is 76624573222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22237542667 - 2²⁷ = 22103324939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22237542637) 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, 9318817 + ... + 9321202.

It is an arithmetic number, because the mean of its divisors is an integer number (5564045970).

Almost surely, 2^22237542667 is an apocalyptic number.

22237542667 is a deficient number, since it is larger than the sum of its proper divisors (18641213).

22237542667 is a wasteful number, since it uses less digits than its factorization.

22237542667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18641212.

The product of its digits is 1693440, while the sum is 46.

The spelling of 22237542667 in words is "twenty-two billion, two hundred thirty-seven million, five hundred forty-two thousand, six hundred sixty-seven".