22422422220240 has 80 divisors (see below), whose sum is σ = 79439438729088. Its totient is φ = 5125125078528.

The previous prime is 22422422220227. The next prime is 22422422220307. The reversal of 22422422220240 is 4202222422422.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22422422220198 and 22422422220207.

It is a congruent number.

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, 6673338267 + ... + 6673341626.

Almost surely, 2^{22422422220240} is an apocalyptic number.

22422422220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422422220240 is an abundant number, since it is smaller than the sum of its proper divisors (57017016508848).

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

22422422220240 is a wasteful number, since it uses less digits than its factorization.

22422422220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346679916 (or 13346679910 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22422422220240 its reverse (4202222422422), we get a palindrome (26624644642662).

The spelling of 22422422220240 in words is "twenty-two trillion, four hundred twenty-two billion, four hundred twenty-two million, two hundred twenty thousand, two hundred forty".