2222432661 has 64 divisors (see below), whose sum is σ = 3433881600. Its totient is φ = 1270004736.

The previous prime is 2222432657. The next prime is 2222432689. The reversal of 2222432661 is 1662342222.

It is not a de Polignac number, because 2222432661 - 2² = 2222432657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222432621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2686930 + ... + 2687756.

It is an arithmetic number, because the mean of its divisors is an integer number (53654400).

Almost surely, 2^2222432661 is an apocalyptic number.

It is an amenable number.

2222432661 is a deficient number, since it is larger than the sum of its proper divisors (1211448939).

2222432661 is a wasteful number, since it uses less digits than its factorization.

2222432661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 13824, while the sum is 30.

The square root of 2222432661 is about 47142.6840665654. The cubic root of 2222432661 is about 1304.9970710875.

Adding to 2222432661 its reverse (1662342222), we get a palindrome (3884774883).

The spelling of 2222432661 in words is "two billion, two hundred twenty-two million, four hundred thirty-two thousand, six hundred sixty-one".