222853428 has 72 divisors (see below), whose sum is σ = 645171072. Its totient is φ = 63536832.

The previous prime is 222853427. The next prime is 222853441. The reversal of 222853428 is 824358222.

222853428 is a `hidden beast` number, since 2 + 228 + 5 + 3 + 428 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 222853392 and 222853401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222853427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223026 + ... + 224022.

Almost surely, 2^222853428 is an apocalyptic number.

222853428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222853428 is an abundant number, since it is smaller than the sum of its proper divisors (422317644).

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

222853428 is a wasteful number, since it uses less digits than its factorization.

222853428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1896 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 222853428 is about 14928.2761228482. The cubic root of 222853428 is about 606.2798106573.

The spelling of 222853428 in words is "two hundred twenty-two million, eight hundred fifty-three thousand, four hundred twenty-eight".