22294287151 has 4 divisors (see below), whose sum is σ = 22457019312. Its totient is φ = 22131554992.

The previous prime is 22294287091. The next prime is 22294287173. The reversal of 22294287151 is 15178249222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15178249222 = 2 ⋅7589124611.

It is a cyclic number.

It is not a de Polignac number, because 22294287151 - 2⁹ = 22294286639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22294287098 and 22294287107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22294287451) 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, 81365875 + ... + 81366148.

It is an arithmetic number, because the mean of its divisors is an integer number (5614254828).

Almost surely, 2^22294287151 is an apocalyptic number.

22294287151 is a deficient number, since it is larger than the sum of its proper divisors (162732161).

22294287151 is a wasteful number, since it uses less digits than its factorization.

22294287151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162732160.

The product of its digits is 161280, while the sum is 43.

The spelling of 22294287151 in words is "twenty-two billion, two hundred ninety-four million, two hundred eighty-seven thousand, one hundred fifty-one".