222858480 has 80 divisors (see below), whose sum is σ = 744014880. Its totient is φ = 54856704.

The previous prime is 222858479. The next prime is 222858497. The reversal of 222858480 is 84858222.

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 (39).

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, 32595 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (9300186).

Almost surely, 2^222858480 is an apocalyptic number.

222858480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222858480 is an abundant number, since it is smaller than the sum of its proper divisors (521156400).

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

222858480 is a wasteful number, since it uses less digits than its factorization.

222858480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71458 (or 71452 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 222858480 is about 14928.4453309780. The cubic root of 222858480 is about 606.2843919980.

The spelling of 222858480 in words is "two hundred twenty-two million, eight hundred fifty-eight thousand, four hundred eighty".