222346940 has 24 divisors (see below), whose sum is σ = 468055392. Its totient is φ = 88724160.

The previous prime is 222346939. The next prime is 222346967. The reversal of 222346940 is 49643222.

It is a junction number, because it is equal to n+sod(n) for n = 222346897 and 222346906.

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, 4784 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (19502308).

Almost surely, 2^222346940 is an apocalyptic number.

222346940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222346940 is an abundant number, since it is smaller than the sum of its proper divisors (245708452).

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

222346940 is a wasteful number, since it uses less digits than its factorization.

222346940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837 (or 26835 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 222346940 is about 14911.3024246710. The cubic root of 222346940 is about 605.8201567068.

The spelling of 222346940 in words is "two hundred twenty-two million, three hundred forty-six thousand, nine hundred forty".