222226694540 has 24 divisors (see below), whose sum is σ = 466690998480. Its totient is φ = 88887832128.

The previous prime is 222226694497. The next prime is 222226694609. The reversal of 222226694540 is 45496622222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222226694491 and 222226694500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531506 + ... + 852614.

It is an arithmetic number, because the mean of its divisors is an integer number (19445458270).

Almost surely, 2^222226694540 is an apocalyptic number.

222226694540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222226694540 is an abundant number, since it is smaller than the sum of its proper divisors (244464303940).

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

222226694540 is a wasteful number, since it uses less digits than its factorization.

222226694540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355721 (or 355719 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 222226694540 in words is "two hundred twenty-two billion, two hundred twenty-six million, six hundred ninety-four thousand, five hundred forty".