15422443325 has 12 divisors (see below), whose sum is σ = 19269817248. Its totient is φ = 12243769200.

The previous prime is 15422443229. The next prime is 15422443373. The reversal of 15422443325 is 52334422451.

It is a happy number.

It is not a de Polignac number, because 15422443325 - 2¹⁴ = 15422426941 is a prime.

It is a super-2 number, since 2×15422443325² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2351297 + ... + 2357846.

It is an arithmetic number, because the mean of its divisors is an integer number (1605818104).

Almost surely, 2^15422443325 is an apocalyptic number.

It is an amenable number.

15422443325 is a deficient number, since it is larger than the sum of its proper divisors (3847373923).

15422443325 is a wasteful number, since it uses less digits than its factorization.

15422443325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709284 (or 4709279 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 15422443325 its reverse (52334422451), we get a palindrome (67756865776).

The spelling of 15422443325 in words is "fifteen billion, four hundred twenty-two million, four hundred forty-three thousand, three hundred twenty-five".