15222251024 has 10 divisors (see below), whose sum is σ = 29493111390. Its totient is φ = 7611125504.

The previous prime is 15222251021. The next prime is 15222251029. The reversal of 15222251024 is 42015222251.

It can be written as a sum of positive squares in only one way, i.e., 11733222400 + 3489028624 = 108320^2 + 59068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15222250984 and 15222251002.

It is not an unprimeable number, because it can be changed into a prime (15222251021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475695329 + ... + 475695360.

It is an arithmetic number, because the mean of its divisors is an integer number (2949311139).

Almost surely, 2^15222251024 is an apocalyptic number.

It is an amenable number.

15222251024 is a deficient number, since it is larger than the sum of its proper divisors (14270860366).

15222251024 is an equidigital number, since it uses as much as digits as its factorization.

15222251024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951390697 (or 951390691 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 15222251024 its reverse (42015222251), we get a palindrome (57237473275).

The spelling of 15222251024 in words is "fifteen billion, two hundred twenty-two million, two hundred fifty-one thousand, twenty-four".