222634040 has 48 divisors (see below), whose sum is σ = 532153800. Its totient is φ = 83810816.

The previous prime is 222634037. The next prime is 222634051. The reversal of 222634040 is 40436222.

It is a junction number, because it is equal to n+sod(n) for n = 222633997 and 222634015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931 + ... + 21189.

Almost surely, 2^222634040 is an apocalyptic number.

222634040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222634040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266076900).

222634040 is an abundant number, since it is smaller than the sum of its proper divisors (309519760).

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

222634040 is a wasteful number, since it uses less digits than its factorization.

222634040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304 (or 19283 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 222634040 is about 14920.9262447075. The cubic root of 222634040 is about 606.0807946679.

The spelling of 222634040 in words is "two hundred twenty-two million, six hundred thirty-four thousand, forty".