222414840 has 48 divisors (see below), whose sum is σ = 722849400. Its totient is φ = 59310528.

The previous prime is 222414823. The next prime is 222414847. The reversal of 222414840 is 48414222.

It is a super-2 number, since 2×222414840² = 98936722104451200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222414847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308550 + ... + 309269.

Almost surely, 2^222414840 is an apocalyptic number.

222414840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222414840 is an abundant number, since it is smaller than the sum of its proper divisors (500434560).

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

222414840 is a wasteful number, since it uses less digits than its factorization.

222414840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617836 (or 617829 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 222414840 is about 14913.5790472978. The cubic root of 222414840 is about 605.8818186034.

The spelling of 222414840 in words is "two hundred twenty-two million, four hundred fourteen thousand, eight hundred forty".