22644155056422 has 96 divisors (see below), whose sum is σ = 50159015061120. Its totient is φ = 6790953621760.

The previous prime is 22644155056409. The next prime is 22644155056423. The reversal of 22644155056422 is 22465055144622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22644155056423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87228397 + ... + 87487607.

It is an arithmetic number, because the mean of its divisors is an integer number (522489740220).

Almost surely, 2^{22644155056422} is an apocalyptic number.

22644155056422 is an abundant number, since it is smaller than the sum of its proper divisors (27514860004698).

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

22644155056422 is a wasteful number, since it uses less digits than its factorization.

22644155056422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260898 (or 260875 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 22644155056422 in words is "twenty-two trillion, six hundred forty-four billion, one hundred fifty-five million, fifty-six thousand, four hundred twenty-two".