22434647524 has 9 divisors (see below), whose sum is σ = 39261157411. Its totient is φ = 11217173980.

The previous prime is 22434647509. The next prime is 22434647531. The reversal of 22434647524 is 42574643422.

The square root of 22434647524 is 149782.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×22434647524² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 262119 + ... + 337009.

Almost surely, 2^22434647524 is an apocalyptic number.

22434647524 is the 149782-nd square number.

It is an amenable number.

22434647524 is a deficient number, since it is larger than the sum of its proper divisors (16826509887).

22434647524 is an frugal number, since it uses more digits than its factorization.

22434647524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149786 (or 74893 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 43.

The spelling of 22434647524 in words is "twenty-two billion, four hundred thirty-four million, six hundred forty-seven thousand, five hundred twenty-four".