15225422401 has 8 divisors (see below), whose sum is σ = 18157025664. Its totient is φ = 12482954880.

The previous prime is 15225422393. The next prime is 15225422417. The reversal of 15225422401 is 10422452251.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 15225422401 - 2³ = 15225422393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15225422401.

It is not an unprimeable number, because it can be changed into a prime (15225422461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47283760 + ... + 47284081.

It is an arithmetic number, because the mean of its divisors is an integer number (2269628208).

Almost surely, 2^15225422401 is an apocalyptic number.

It is an amenable number.

15225422401 is a deficient number, since it is larger than the sum of its proper divisors (2931603263).

15225422401 is an equidigital number, since it uses as much as digits as its factorization.

15225422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94567871.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 15225422401 its reverse (10422452251), we get a palindrome (25647874652).

The spelling of 15225422401 in words is "fifteen billion, two hundred twenty-five million, four hundred twenty-two thousand, four hundred one".