22445431151 has 12 divisors (see below), whose sum is σ = 26569228056. Its totient is φ = 18835325520.

The previous prime is 22445431133. The next prime is 22445431157. The reversal of 22445431151 is 15113454422.

It is not a de Polignac number, because 22445431151 - 2⁶ = 22445431087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445431157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7133021 + ... + 7136166.

It is an arithmetic number, because the mean of its divisors is an integer number (2214102338).

Almost surely, 2^22445431151 is an apocalyptic number.

22445431151 is a deficient number, since it is larger than the sum of its proper divisors (4123796905).

22445431151 is a wasteful number, since it uses less digits than its factorization.

22445431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14269222 (or 14269211 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

Adding to 22445431151 its reverse (15113454422), we get a palindrome (37558885573).

The spelling of 22445431151 in words is "twenty-two billion, four hundred forty-five million, four hundred thirty-one thousand, one hundred fifty-one".