22444142255020 has 48 divisors (see below), whose sum is σ = 49906159799328. Its totient is φ = 8449398696960.

The previous prime is 22444142254993. The next prime is 22444142255027. The reversal of 22444142255020 is 2055224144422.

It is not an unprimeable number, because it can be changed into a prime (22444142255027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18090415 + ... + 19291225.

It is an arithmetic number, because the mean of its divisors is an integer number (1039711662486).

Almost surely, 2^{22444142255020} is an apocalyptic number.

22444142255020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444142255020 is an abundant number, since it is smaller than the sum of its proper divisors (27462017544308).

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

22444142255020 is a wasteful number, since it uses less digits than its factorization.

22444142255020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255810 (or 1255808 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 22444142255020 its reverse (2055224144422), we get a palindrome (24499366399442).

The spelling of 22444142255020 in words is "twenty-two trillion, four hundred forty-four billion, one hundred forty-two million, two hundred fifty-five thousand, twenty".