122642266 has 8 divisors (see below), whose sum is σ = 184048704. Its totient is φ = 61292700.

The previous prime is 122642257. The next prime is 122642281. The reversal of 122642266 is 662246221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122642266² = 30082250819229512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8340 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (23006088).

Almost surely, 2^122642266 is an apocalyptic number.

122642266 is a deficient number, since it is larger than the sum of its proper divisors (61406438).

122642266 is a wasteful number, since it uses less digits than its factorization.

122642266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28436.

The product of its digits is 13824, while the sum is 31.

The square root of 122642266 is about 11074.3968684529. The cubic root of 122642266 is about 496.8363798998.

Adding to 122642266 its reverse (662246221), we get a palindrome (784888487).

The spelling of 122642266 in words is "one hundred twenty-two million, six hundred forty-two thousand, two hundred sixty-six".