22444644730442 has 32 divisors (see below), whose sum is σ = 36750868634304. Its totient is φ = 10195649833600.

The previous prime is 22444644730397. The next prime is 22444644730471. The reversal of 22444644730442 is 24403744644422.

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, 244787918 + ... + 244879590.

It is an arithmetic number, because the mean of its divisors is an integer number (1148464644822).

Almost surely, 2^{22444644730442} is an apocalyptic number.

22444644730442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22444644730442 is a deficient number, since it is larger than the sum of its proper divisors (14306223903862).

22444644730442 is a wasteful number, since it uses less digits than its factorization.

22444644730442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98614.

The product of its (nonzero) digits is 16515072, while the sum is 50.

The spelling of 22444644730442 in words is "twenty-two trillion, four hundred forty-four billion, six hundred forty-four million, seven hundred thirty thousand, four hundred forty-two".