22719767146 has 4 divisors (see below), whose sum is σ = 34079650722. Its totient is φ = 11359883572.

The previous prime is 22719767143. The next prime is 22719767159. The reversal of 22719767146 is 64176791722.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11849411025 + 10870356121 = 108855^2 + 104261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22719767093 and 22719767102.

It is not an unprimeable number, because it can be changed into a prime (22719767143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5679941785 + ... + 5679941788.

Almost surely, 2^22719767146 is an apocalyptic number.

22719767146 is a deficient number, since it is larger than the sum of its proper divisors (11359883576).

22719767146 is a wasteful number, since it uses less digits than its factorization.

22719767146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359883575.

The product of its digits is 1778112, while the sum is 52.

The spelling of 22719767146 in words is "twenty-two billion, seven hundred nineteen million, seven hundred sixty-seven thousand, one hundred forty-six".