66433422 has 32 divisors (see below), whose sum is σ = 146997504. Its totient is φ = 19846400.

The previous prime is 66433397. The next prime is 66433447. The reversal of 66433422 is 22433466.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66433397) and next prime (66433447).

It is a self number, because there is not a number n which added to its sum of digits gives 66433422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (4593672).

Almost surely, 2^66433422 is an apocalyptic number.

66433422 is an abundant number, since it is smaller than the sum of its proper divisors (80564082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66433422 is a wasteful number, since it uses less digits than its factorization.

66433422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264.

The product of its digits is 20736, while the sum is 30.

The square root of 66433422 is about 8150.6700338070. The cubic root of 66433422 is about 405.0067000873.

Adding to 66433422 its reverse (22433466), we get a palindrome (88866888).

The spelling of 66433422 in words is "sixty-six million, four hundred thirty-three thousand, four hundred twenty-two".