222351020 has 12 divisors (see below), whose sum is σ = 466937184. Its totient is φ = 88940400.

The previous prime is 222351011. The next prime is 222351023. The reversal of 222351020 is 20153222.

It is a self number, because there is not a number n which added to its sum of digits gives 222351020.

It is not an unprimeable number, because it can be changed into a prime (222351023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5558756 + ... + 5558795.

It is an arithmetic number, because the mean of its divisors is an integer number (38911432).

Almost surely, 2^222351020 is an apocalyptic number.

222351020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222351020 is an abundant number, since it is smaller than the sum of its proper divisors (244586164).

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

222351020 is a wasteful number, since it uses less digits than its factorization.

222351020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117560 (or 11117558 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 222351020 is about 14911.4392330184. The cubic root of 222351020 is about 605.8238622238.

The spelling of 222351020 in words is "two hundred twenty-two million, three hundred fifty-one thousand, twenty".