22750723147 has 4 divisors (see below), whose sum is σ = 22770152776. Its totient is φ = 22731293520.

The previous prime is 22750723111. The next prime is 22750723159. The reversal of 22750723147 is 74132705722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74132705722 = 2 ⋅37066352861.

It is a cyclic number.

It is not a de Polignac number, because 22750723147 - 2⁷ = 22750723019 is a prime.

It is a super-2 number, since 2×22750723147² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22750726147) 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, 9713058 + ... + 9715399.

It is an arithmetic number, because the mean of its divisors is an integer number (5692538194).

Almost surely, 2^22750723147 is an apocalyptic number.

22750723147 is a deficient number, since it is larger than the sum of its proper divisors (19429629).

22750723147 is a wasteful number, since it uses less digits than its factorization.

22750723147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19429628.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 22750723147 in words is "twenty-two billion, seven hundred fifty million, seven hundred twenty-three thousand, one hundred forty-seven".