22447165846340 has 24 divisors (see below), whose sum is σ = 47139263971800. Its totient is φ = 8978825253888.

The previous prime is 22447165846319. The next prime is 22447165846363. The reversal of 22447165846340 is 4364856174422.

It can be written as a sum of positive squares in 4 ways, for example, as 1590060472576 + 20857105373764 = 1260976^2 + 4566958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121236 + ... + 7028084.

It is an arithmetic number, because the mean of its divisors is an integer number (1964135998825).

Almost surely, 2^{22447165846340} is an apocalyptic number.

22447165846340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22447165846340 is an abundant number, since it is smaller than the sum of its proper divisors (24692098125460).

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

22447165846340 is a wasteful number, since it uses less digits than its factorization.

22447165846340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135591 (or 5135589 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 22447165846340 in words is "twenty-two trillion, four hundred forty-seven billion, one hundred sixty-five million, eight hundred forty-six thousand, three hundred forty".