1222400332 has 6 divisors (see below), whose sum is σ = 2139200588. Its totient is φ = 611200164.

The previous prime is 1222400303. The next prime is 1222400341. The reversal of 1222400332 is 2330042221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152800038 + ... + 152800045.

Almost surely, 2^1222400332 is an apocalyptic number.

It is an amenable number.

1222400332 is a deficient number, since it is larger than the sum of its proper divisors (916800256).

1222400332 is a wasteful number, since it uses less digits than its factorization.

1222400332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305600087 (or 305600085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1222400332 is about 34962.8421613575. The cubic root of 1222400332 is about 1069.2300432239.

Adding to 1222400332 its reverse (2330042221), we get a palindrome (3552442553).

The spelling of 1222400332 in words is "one billion, two hundred twenty-two million, four hundred thousand, three hundred thirty-two".