1220441292 has 72 divisors (see below), whose sum is σ = 3600769536. Its totient is φ = 341275104.

The previous prime is 1220441279. The next prime is 1220441297. The reversal of 1220441292 is 2921440221.

It is not an unprimeable number, because it can be changed into a prime (1220441297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39678 + ... + 63365.

It is an arithmetic number, because the mean of its divisors is an integer number (50010688).

Almost surely, 2^1220441292 is an apocalyptic number.

1220441292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220441292 is an abundant number, since it is smaller than the sum of its proper divisors (2380328244).

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

1220441292 is a wasteful number, since it uses less digits than its factorization.

1220441292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103107 (or 103102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1220441292 is about 34934.8148986080. The cubic root of 1220441292 is about 1068.6585489411.

The spelling of 1220441292 in words is "one billion, two hundred twenty million, four hundred forty-one thousand, two hundred ninety-two".