1222461588 has 12 divisors (see below), whose sum is σ = 2852410400. Its totient is φ = 407487192.

The previous prime is 1222461571. The next prime is 1222461631. The reversal of 1222461588 is 8851642221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50935888 + ... + 50935911.

Almost surely, 2^1222461588 is an apocalyptic number.

It is an amenable number.

1222461588 is an abundant number, since it is smaller than the sum of its proper divisors (1629948812).

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

1222461588 is a wasteful number, since it uses less digits than its factorization.

1222461588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101871806 (or 101871804 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 1222461588 is about 34963.7181661219. The cubic root of 1222461588 is about 1069.2479030744.

The spelling of 1222461588 in words is "one billion, two hundred twenty-two million, four hundred sixty-one thousand, five hundred eighty-eight".