1220874244 has 24 divisors (see below), whose sum is σ = 2284184448. Its totient is φ = 568947840.

The previous prime is 1220874217. The next prime is 1220874251. The reversal of 1220874244 is 4424780221.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80152 + ... + 94159.

It is an arithmetic number, because the mean of its divisors is an integer number (95174352).

Almost surely, 2^1220874244 is an apocalyptic number.

It is an amenable number.

1220874244 is a deficient number, since it is larger than the sum of its proper divisors (1063310204).

1220874244 is a wasteful number, since it uses less digits than its factorization.

1220874244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174435 (or 174433 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 1220874244 is about 34941.0109184036. The cubic root of 1220874244 is about 1068.7849030061.

The spelling of 1220874244 in words is "one billion, two hundred twenty million, eight hundred seventy-four thousand, two hundred forty-four".