222046840 has 32 divisors (see below), whose sum is σ = 511228080. Its totient is φ = 86752512.

The previous prime is 222046837. The next prime is 222046841. The reversal of 222046840 is 48640222.

222046840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222046799 and 222046808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222046841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62829 + ... + 66268.

Almost surely, 2^222046840 is an apocalyptic number.

222046840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222046840 is an abundant number, since it is smaller than the sum of its proper divisors (289181240).

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

222046840 is a wasteful number, since it uses less digits than its factorization.

222046840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129151 (or 129147 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 222046840 is about 14901.2361903300. The cubic root of 222046840 is about 605.5474770157.

The spelling of 222046840 in words is "two hundred twenty-two million, forty-six thousand, eight hundred forty".