1220233110 has 16 divisors (see below), whose sum is σ = 2928559536. Its totient is φ = 325395488.

The previous prime is 1220233109. The next prime is 1220233111. The reversal of 1220233110 is 113320221.

It is an interprime number because it is at equal distance from previous prime (1220233109) and next prime (1220233111).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1220233110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220233111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20337189 + ... + 20337248.

It is an arithmetic number, because the mean of its divisors is an integer number (183034971).

Almost surely, 2^1220233110 is an apocalyptic number.

1220233110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220233110 is an abundant number, since it is smaller than the sum of its proper divisors (1708326426).

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

1220233110 is a wasteful number, since it uses less digits than its factorization.

1220233110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40674447.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1220233110 is about 34931.8351937026. The cubic root of 1220233110 is about 1068.5977818162.

Adding to 1220233110 its reverse (113320221), we get a palindrome (1333553331).

The spelling of 1220233110 in words is "one billion, two hundred twenty million, two hundred thirty-three thousand, one hundred ten".