1015220232 has 48 divisors (see below), whose sum is σ = 2961061740. Its totient is φ = 312375168.

The previous prime is 1015220201. The next prime is 1015220233. The reversal of 1015220232 is 2320225101.

It can be written as a sum of positive squares in 2 ways, for example, as 871076196 + 144144036 = 29514^2 + 12006^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1015220233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541383 + ... + 543254.

Almost surely, 2^1015220232 is an apocalyptic number.

1015220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1015220232 is an abundant number, since it is smaller than the sum of its proper divisors (1945841508).

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

1015220232 is a wasteful number, since it uses less digits than its factorization.

1015220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084662 (or 1084655 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1015220232 is about 31862.5208042302. The cubic root of 1015220232 is about 1005.0478866319.

Adding to 1015220232 its reverse (2320225101), we get a palindrome (3335445333).

The spelling of 1015220232 in words is "one billion, fifteen million, two hundred twenty thousand, two hundred thirty-two".