122228566 has 4 divisors (see below), whose sum is σ = 183342852. Its totient is φ = 61114282.

The previous prime is 122228551. The next prime is 122228599. The reversal of 122228566 is 665822221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665822221 = 17 ⋅39166013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557140 + ... + 30557143.

It is an arithmetic number, because the mean of its divisors is an integer number (45835713).

Almost surely, 2^122228566 is an apocalyptic number.

122228566 is a deficient number, since it is larger than the sum of its proper divisors (61114286).

122228566 is an equidigital number, since it uses as much as digits as its factorization.

122228566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61114285.

The product of its digits is 23040, while the sum is 34.

The square root of 122228566 is about 11055.7028722737. The cubic root of 122228566 is about 496.2771035496.

The spelling of 122228566 in words is "one hundred twenty-two million, two hundred twenty-eight thousand, five hundred sixty-six".