222201408 has 112 divisors (see below), whose sum is σ = 690774336. Its totient is φ = 62146560.

The previous prime is 222201403. The next prime is 222201431. The reversal of 222201408 is 804102222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222201403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23410 + ... + 31502.

It is an arithmetic number, because the mean of its divisors is an integer number (6167628).

Almost surely, 2^222201408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222201408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345387168).

222201408 is an abundant number, since it is smaller than the sum of its proper divisors (468572928).

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

222201408 is a wasteful number, since it uses less digits than its factorization.

222201408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8132 (or 8122 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 222201408 is about 14906.4217034136. The cubic root of 222201408 is about 605.6879527110.

The spelling of 222201408 in words is "two hundred twenty-two million, two hundred one thousand, four hundred eight".