22047412747342 has 4 divisors (see below), whose sum is σ = 33071119121016. Its totient is φ = 11023706373670.

The previous prime is 22047412747309. The next prime is 22047412747357. The reversal of 22047412747342 is 24374721474022.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511853186834 + ... + 5511853186837.

It is an arithmetic number, because the mean of its divisors is an integer number (8267779780254).

Almost surely, 2^{22047412747342} is an apocalyptic number.

22047412747342 is a deficient number, since it is larger than the sum of its proper divisors (11023706373674).

22047412747342 is a wasteful number, since it uses less digits than its factorization.

22047412747342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023706373673.

The product of its (nonzero) digits is 4214784, while the sum is 49.

The spelling of 22047412747342 in words is "twenty-two trillion, forty-seven billion, four hundred twelve million, seven hundred forty-seven thousand, three hundred forty-two".