22219143240 has 64 divisors (see below), whose sum is σ = 76179922560. Its totient is φ = 5078661120.

The previous prime is 22219143203. The next prime is 22219143257. The reversal of 22219143240 is 4234191222.

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 = 22219143198 and 22219143207.

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, 13224841 + ... + 13226520.

It is an arithmetic number, because the mean of its divisors is an integer number (1190311290).

Almost surely, 2^22219143240 is an apocalyptic number.

22219143240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22219143240 is an abundant number, since it is smaller than the sum of its proper divisors (53960779320).

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

22219143240 is a wasteful number, since it uses less digits than its factorization.

22219143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26451382 (or 26451378 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 22219143240 in words is "twenty-two billion, two hundred nineteen million, one hundred forty-three thousand, two hundred forty".