1222552352 has 54 divisors (see below), whose sum is σ = 2803037643. Its totient is φ = 523357632.

The previous prime is 1222552351. The next prime is 1222552427. The reversal of 1222552352 is 2532552221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 611276176 + 611276176 = 24724^2 + 24724^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24724.

It is not an unprimeable number, because it can be changed into a prime (1222552351) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1384103 + ... + 1384985.

Almost surely, 2^1222552352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222552352

1222552352 is an abundant number, since it is smaller than the sum of its proper divisors (1580485291).

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

1222552352 is an frugal number, since it uses more digits than its factorization.

1222552352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 892 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 1222552352 is about 34965.0161161124. The cubic root of 1222552352 is about 1069.2743652051.

The spelling of 1222552352 in words is "one billion, two hundred twenty-two million, five hundred fifty-two thousand, three hundred fifty-two".