1500226720 has 96 divisors (see below), whose sum is σ = 3614965200. Its totient is φ = 588251136.

The previous prime is 1500226711. The next prime is 1500226751. The reversal of 1500226720 is 276220051.

It can be written as a sum of positive squares in 8 ways, for example, as 393466896 + 1106759824 = 19836^2 + 33268^2 .

It is a super-2 number, since 2×1500226720² = 4501360422803916800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950496 + ... + 1951264.

Almost surely, 2^1500226720 is an apocalyptic number.

1500226720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1500226720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807482600).

1500226720 is an abundant number, since it is smaller than the sum of its proper divisors (2114738480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1500226720 is a wasteful number, since it uses less digits than its factorization.

1500226720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1500226720 is about 38732.7602940973. The cubic root of 1500226720 is about 1144.7719128952.

Adding to 1500226720 its reverse (276220051), we get a palindrome (1776446771).

The spelling of 1500226720 in words is "one billion, five hundred million, two hundred twenty-six thousand, seven hundred twenty".