222061603 has 4 divisors (see below), whose sum is σ = 224737128. Its totient is φ = 219386080.

The previous prime is 222061597. The next prime is 222061639. The reversal of 222061603 is 306160222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222061603 - 2²⁵ = 188507171 is a prime.

It is a super-2 number, since 2×222061603² = 98622711053859218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222061643) 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 3 ways as a sum of consecutive naturals, for example, 1337638 + ... + 1337803.

It is an arithmetic number, because the mean of its divisors is an integer number (56184282).

Almost surely, 2^222061603 is an apocalyptic number.

222061603 is a deficient number, since it is larger than the sum of its proper divisors (2675525).

222061603 is an equidigital number, since it uses as much as digits as its factorization.

222061603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675524.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 222061603 is about 14901.7315436831. The cubic root of 222061603 is about 605.5608968558.

The spelling of 222061603 in words is "two hundred twenty-two million, sixty-one thousand, six hundred three".