222353420 has 24 divisors (see below), whose sum is σ = 487245024. Its totient is φ = 85074176.

The previous prime is 222353407. The next prime is 222353423. The reversal of 222353420 is 24353222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (222353423) 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, 241229 + ... + 242148.

It is an arithmetic number, because the mean of its divisors is an integer number (20301876).

Almost surely, 2^222353420 is an apocalyptic number.

222353420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222353420 is an abundant number, since it is smaller than the sum of its proper divisors (264891604).

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

222353420 is a wasteful number, since it uses less digits than its factorization.

222353420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483409 (or 483407 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 222353420 is about 14911.5197079305. The cubic root of 222353420 is about 605.8260419186.

The spelling of 222353420 in words is "two hundred twenty-two million, three hundred fifty-three thousand, four hundred twenty".