122552266 has 4 divisors (see below), whose sum is σ = 183828402. Its totient is φ = 61276132.

The previous prime is 122552219. The next prime is 122552267. The reversal of 122552266 is 662255221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 79584241 + 42968025 = 8921^2 + 6555^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (122552267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30638065 + ... + 30638068.

Almost surely, 2^122552266 is an apocalyptic number.

122552266 is a deficient number, since it is larger than the sum of its proper divisors (61276136).

122552266 is an equidigital number, since it uses as much as digits as its factorization.

122552266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61276135.

The product of its digits is 14400, while the sum is 31.

The square root of 122552266 is about 11070.3326959943. The cubic root of 122552266 is about 496.7148170866.

The spelling of 122552266 in words is "one hundred twenty-two million, five hundred fifty-two thousand, two hundred sixty-six".