222605061 has 16 divisors (see below), whose sum is σ = 348376704. Its totient is φ = 123764544.

The previous prime is 222605057. The next prime is 222605069. The reversal of 222605061 is 160506222.

It is not a de Polignac number, because 222605061 - 2² = 222605057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222605069) 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 15 ways as a sum of consecutive naturals, for example, 142470 + ... + 144023.

It is an arithmetic number, because the mean of its divisors is an integer number (21773544).

Almost surely, 2^222605061 is an apocalyptic number.

222605061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222605061 is a deficient number, since it is larger than the sum of its proper divisors (125771643).

222605061 is a wasteful number, since it uses less digits than its factorization.

222605061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286540.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 222605061 is about 14919.9551272784. The cubic root of 222605061 is about 606.0544968363.

The spelling of 222605061 in words is "two hundred twenty-two million, six hundred five thousand, sixty-one".