222583140 has 216 divisors, whose sum is σ = 760975488. Its totient is φ = 54587520.

The previous prime is 222583079. The next prime is 222583147. The reversal of 222583140 is 41385222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222583147) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 821205 + ... + 821475.

Almost surely, 2^222583140 is an apocalyptic number.

222583140 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 222583140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380487744).

222583140 is an abundant number, since it is smaller than the sum of its proper divisors (538392348).

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

222583140 is a wasteful number, since it uses less digits than its factorization.

222583140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 222583140 is about 14919.2204890202. The cubic root of 222583140 is about 606.0346024747.

The spelling of 222583140 in words is "two hundred twenty-two million, five hundred eighty-three thousand, one hundred forty".