15420022330 has 8 divisors (see below), whose sum is σ = 27756040212. Its totient is φ = 6168008928.

The previous prime is 15420022313. The next prime is 15420022379. The reversal of 15420022330 is 3322002451.

It can be written as a sum of positive squares in 2 ways, for example, as 14085654489 + 1334367841 = 118683^2 + 36529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771001107 + ... + 771001126.

Almost surely, 2^15420022330 is an apocalyptic number.

15420022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15420022330 is a deficient number, since it is larger than the sum of its proper divisors (12336017882).

15420022330 is a wasteful number, since it uses less digits than its factorization.

15420022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542002240.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 15420022330 its reverse (3322002451), we get a palindrome (18742024781).

The spelling of 15420022330 in words is "fifteen billion, four hundred twenty million, twenty-two thousand, three hundred thirty".