1280422488 has 32 divisors (see below), whose sum is σ = 3202214400. Its totient is φ = 426653088.

The previous prime is 1280422487. The next prime is 1280422571. The reversal of 1280422488 is 8842240821.

It is a super-2 number, since 2×1280422488² = 3278963495552220288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280422487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72253 + ... + 88211.

It is an arithmetic number, because the mean of its divisors is an integer number (100069200).

Almost surely, 2^1280422488 is an apocalyptic number.

It is an amenable number.

1280422488 is an abundant number, since it is smaller than the sum of its proper divisors (1921791912).

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

1280422488 is a wasteful number, since it uses less digits than its factorization.

1280422488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19311 (or 19307 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 1280422488 is about 35782.9916021565. The cubic root of 1280422488 is about 1085.8864927544.

The spelling of 1280422488 in words is "one billion, two hundred eighty million, four hundred twenty-two thousand, four hundred eighty-eight".