222141810 has 32 divisors (see below), whose sum is σ = 581608512. Its totient is φ = 53852480.

The previous prime is 222141793. The next prime is 222141811. The reversal of 222141810 is 18141222.

It is a super-2 number, since 2×222141810² = 98693967500152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222141811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336249 + ... + 336908.

It is an arithmetic number, because the mean of its divisors is an integer number (18175266).

Almost surely, 2^222141810 is an apocalyptic number.

222141810 is an abundant number, since it is smaller than the sum of its proper divisors (359466702).

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

222141810 is a wasteful number, since it uses less digits than its factorization.

222141810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673178.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 222141810 is about 14904.4224980373. The cubic root of 222141810 is about 605.6337961109.

The spelling of 222141810 in words is "two hundred twenty-two million, one hundred forty-one thousand, eight hundred ten".