22449507970 has 8 divisors (see below), whose sum is σ = 40409114364. Its totient is φ = 8979803184.

The previous prime is 22449507923. The next prime is 22449507979. The reversal of 22449507970 is 7970594422.

It can be written as a sum of positive squares in 2 ways, for example, as 22415180089 + 34327881 = 149717^2 + 5859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22449507979) 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, 1122475389 + ... + 1122475408.

Almost surely, 2^22449507970 is an apocalyptic number.

22449507970 is a deficient number, since it is larger than the sum of its proper divisors (17959606394).

22449507970 is a wasteful number, since it uses less digits than its factorization.

22449507970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244950804.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 22449507970 in words is "twenty-two billion, four hundred forty-nine million, five hundred seven thousand, nine hundred seventy".