222233780 has 24 divisors (see below), whose sum is σ = 467088552. Its totient is φ = 88817792.

The previous prime is 222233779. The next prime is 222233807. The reversal of 222233780 is 87332222.

222233780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 76983076 + 145250704 = 8774^2 + 12052^2 .

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, 23414 + ... + 31506.

It is an arithmetic number, because the mean of its divisors is an integer number (19462023).

Almost surely, 2^222233780 is an apocalyptic number.

222233780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222233780 is an abundant number, since it is smaller than the sum of its proper divisors (244854772).

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

222233780 is a wasteful number, since it uses less digits than its factorization.

222233780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475 (or 9473 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 222233780 is about 14907.5075046099. The cubic root of 222233780 is about 605.7173650333.

The spelling of 222233780 in words is "two hundred twenty-two million, two hundred thirty-three thousand, seven hundred eighty".