222954380 has 24 divisors (see below), whose sum is σ = 510768720. Its totient is φ = 81074240.

The previous prime is 222954367. The next prime is 222954383. The reversal of 222954380 is 83459222.

It is a super-2 number, since 2×222954380² = 99417311122368800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222954380.

It is not an unprimeable number, because it can be changed into a prime (222954383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506495 + ... + 506934.

It is an arithmetic number, because the mean of its divisors is an integer number (21282030).

Almost surely, 2^222954380 is an apocalyptic number.

222954380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222954380 is an abundant number, since it is smaller than the sum of its proper divisors (287814340).

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

222954380 is a wasteful number, since it uses less digits than its factorization.

222954380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013449 (or 1013447 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 222954380 is about 14931.6569743616. The cubic root of 222954380 is about 606.3713445418.

The spelling of 222954380 in words is "two hundred twenty-two million, nine hundred fifty-four thousand, three hundred eighty".