15225220466 has 8 divisors (see below), whose sum is σ = 22843066284. Its totient is φ = 7610865040.

The previous prime is 15225220463. The next prime is 15225220511. The reversal of 15225220466 is 66402252251.

It can be written as a sum of positive squares in 2 ways, for example, as 14596264225 + 628956241 = 120815^2 + 25079^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15225220463) 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, 861665 + ... + 879156.

Almost surely, 2^15225220466 is an apocalyptic number.

15225220466 is a deficient number, since it is larger than the sum of its proper divisors (7617845818).

15225220466 is a wasteful number, since it uses less digits than its factorization.

15225220466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745196.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 15225220466 in words is "fifteen billion, two hundred twenty-five million, two hundred twenty thousand, four hundred sixty-six".