22210215144 has 64 divisors (see below), whose sum is σ = 62396611200. Its totient is φ = 6536783616.

The previous prime is 22210215127. The next prime is 22210215193. The reversal of 22210215144 is 44151201222.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1540359 + ... + 1554710.

It is an arithmetic number, because the mean of its divisors is an integer number (974947050).

Almost surely, 2^22210215144 is an apocalyptic number.

22210215144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22210215144 is an abundant number, since it is smaller than the sum of its proper divisors (40186396056).

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

22210215144 is a wasteful number, since it uses less digits than its factorization.

22210215144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095114 (or 3095110 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22210215144 its reverse (44151201222), we get a palindrome (66361416366).

The spelling of 22210215144 in words is "twenty-two billion, two hundred ten million, two hundred fifteen thousand, one hundred forty-four".