15224531422 has 8 divisors (see below), whose sum is σ = 22860763056. Its totient is φ = 7604277072.

The previous prime is 15224531419. The next prime is 15224531429. The reversal of 15224531422 is 22413542251.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15224531429) 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, 3991938 + ... + 3995749.

It is an arithmetic number, because the mean of its divisors is an integer number (2857595382).

Almost surely, 2^15224531422 is an apocalyptic number.

15224531422 is a deficient number, since it is larger than the sum of its proper divisors (7636231634).

15224531422 is an equidigital number, since it uses as much as digits as its factorization.

15224531422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988642.

The product of its digits is 19200, while the sum is 31.

The spelling of 15224531422 in words is "fifteen billion, two hundred twenty-four million, five hundred thirty-one thousand, four hundred twenty-two".