66122235 has 24 divisors (see below), whose sum is σ = 114943920. Its totient is φ = 35163072.

The previous prime is 66122213. The next prime is 66122239. The reversal of 66122235 is 53222166.

It is not a de Polignac number, because 66122235 - 2⁷ = 66122107 is a prime.

It is a super-2 number, since 2×66122235² = 8744299922790450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66122199 and 66122208.

It is not an unprimeable number, because it can be changed into a prime (66122239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15117 + ... + 18993.

It is an arithmetic number, because the mean of its divisors is an integer number (4789330).

Almost surely, 2^66122235 is an apocalyptic number.

66122235 is a deficient number, since it is larger than the sum of its proper divisors (48821685).

66122235 is a wasteful number, since it uses less digits than its factorization.

66122235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4264 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 66122235 is about 8131.5579688028. The cubic root of 66122235 is about 404.3733335415.

The spelling of 66122235 in words is "sixty-six million, one hundred twenty-two thousand, two hundred thirty-five".