2242445646 has 32 divisors (see below), whose sum is σ = 5202097920. Its totient is φ = 631135296.

The previous prime is 2242445603. The next prime is 2242445659. The reversal of 2242445646 is 6465442422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395631 + ... + 401258.

It is an arithmetic number, because the mean of its divisors is an integer number (162565560).

Almost surely, 2^2242445646 is an apocalyptic number.

2242445646 is an abundant number, since it is smaller than the sum of its proper divisors (2959652274).

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

2242445646 is a wasteful number, since it uses less digits than its factorization.

2242445646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796968.

The product of its digits is 368640, while the sum is 39.

The square root of 2242445646 is about 47354.4680679659. The cubic root of 2242445646 is about 1308.9025336329.

The spelling of 2242445646 in words is "two billion, two hundred forty-two million, four hundred forty-five thousand, six hundred forty-six".