1220873488 has 20 divisors (see below), whose sum is σ = 2468288448. Its totient is φ = 583895840.

The previous prime is 1220873483. The next prime is 1220873491. The reversal of 1220873488 is 8843780221.

It is a super-2 number, since 2×1220873488² = 2981064147402572288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220873483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658428 + ... + 1659163.

Almost surely, 2^1220873488 is an apocalyptic number.

It is an amenable number.

1220873488 is an abundant number, since it is smaller than the sum of its proper divisors (1247414960).

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

1220873488 is a wasteful number, since it uses less digits than its factorization.

1220873488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317622 (or 3317616 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1220873488 is about 34941.0001001689. Note that the first 3 decimals coincide. The cubic root of 1220873488 is about 1068.7846823988.

The spelling of 1220873488 in words is "one billion, two hundred twenty million, eight hundred seventy-three thousand, four hundred eighty-eight".