222311420 has 24 divisors (see below), whose sum is σ = 467135424. Its totient is φ = 88870976.

The previous prime is 222311393. The next prime is 222311459. The reversal of 222311420 is 24113222.

222311420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 58622 + ... + 62298.

It is an arithmetic number, because the mean of its divisors is an integer number (19463976).

Almost surely, 2^222311420 is an apocalyptic number.

222311420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222311420 is an abundant number, since it is smaller than the sum of its proper divisors (244824004).

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

222311420 is a wasteful number, since it uses less digits than its factorization.

222311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222311420 is about 14910.1113342590. Note that the first 3 decimals coincide. The cubic root of 222311420 is about 605.7878949961.

Adding to 222311420 its reverse (24113222), we get a palindrome (246424642).

The spelling of 222311420 in words is "two hundred twenty-two million, three hundred eleven thousand, four hundred twenty".