22970719 has 4 divisors (see below), whose sum is σ = 23146200. Its totient is φ = 22795240.

The previous prime is 22970713. The next prime is 22970737. The reversal of 22970719 is 91707922.

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 22970719 - 2³ = 22970711 is a prime.

It is a super-2 number, since 2×22970719² = 1055307862753922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22970711) 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, 87544 + ... + 87805.

It is an arithmetic number, because the mean of its divisors is an integer number (5786550).

Almost surely, 2^22970719 is an apocalyptic number.

22970719 is a deficient number, since it is larger than the sum of its proper divisors (175481).

22970719 is a wasteful number, since it uses less digits than its factorization.

22970719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175480.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 22970719 is about 4792.7777958090. Note that the first 4 decimals coincide. The cubic root of 22970719 is about 284.2659637370.

The spelling of 22970719 in words is "twenty-two million, nine hundred seventy thousand, seven hundred nineteen".