1222622588 has 24 divisors (see below), whose sum is σ = 2341726464. Its totient is φ = 553921200.

The previous prime is 1222622587. The next prime is 1222622593. The reversal of 1222622588 is 8852262221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222622587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31748 + ... + 58763.

It is an arithmetic number, because the mean of its divisors is an integer number (97571936).

Almost surely, 2^1222622588 is an apocalyptic number.

It is an amenable number.

1222622588 is a deficient number, since it is larger than the sum of its proper divisors (1119103876).

1222622588 is a wasteful number, since it uses less digits than its factorization.

1222622588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90833 (or 90831 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 1222622588 is about 34966.0204770288. The cubic root of 1222622588 is about 1069.2948415242.

The spelling of 1222622588 in words is "one billion, two hundred twenty-two million, six hundred twenty-two thousand, five hundred eighty-eight".