1222869588 has 24 divisors (see below), whose sum is σ = 2858375520. Its totient is φ = 406907040.

The previous prime is 1222869533. The next prime is 1222869607. The reversal of 1222869588 is 8859682221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222869588.

It is a congruent number.

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, 82383 + ... + 96086.

It is an arithmetic number, because the mean of its divisors is an integer number (119098980).

Almost surely, 2^1222869588 is an apocalyptic number.

It is an amenable number.

1222869588 is an abundant number, since it is smaller than the sum of its proper divisors (1635505932).

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

1222869588 is a wasteful number, since it uses less digits than its factorization.

1222869588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179047 (or 179045 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 1222869588 is about 34969.5522991073. The cubic root of 1222869588 is about 1069.3668446766.

The spelling of 1222869588 in words is "one billion, two hundred twenty-two million, eight hundred sixty-nine thousand, five hundred eighty-eight".