1220222332192 has 24 divisors (see below), whose sum is σ = 2405590133436. Its totient is φ = 609278806272.

The previous prime is 1220222332159. The next prime is 1220222332211. The reversal of 1220222332192 is 2912332220221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 801877266576 + 418345065616 = 895476^2 + 646796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25987423 + ... + 26034334.

Almost surely, 2^{1220222332192} is an apocalyptic number.

It is an amenable number.

1220222332192 is a deficient number, since it is larger than the sum of its proper divisors (1185367801244).

1220222332192 is an equidigital number, since it uses as much as digits as its factorization.

1220222332192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52022500 (or 52022492 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 1220222332192 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred ninety-two".