66022302 has 32 divisors (see below), whose sum is σ = 139478400. Its totient is φ = 20776608.

The previous prime is 66022301. The next prime is 66022309. The reversal of 66022302 is 20322066.

It is a super-2 number, since 2×66022302² = 8717888722758408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66022301) 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 in 15 ways as a sum of consecutive naturals, for example, 38724 + ... + 40392.

It is an arithmetic number, because the mean of its divisors is an integer number (4358700).

Almost surely, 2^66022302 is an apocalyptic number.

66022302 is an abundant number, since it is smaller than the sum of its proper divisors (73456098).

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

66022302 is a wasteful number, since it uses less digits than its factorization.

66022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 66022302 is about 8125.4108819185. The cubic root of 66022302 is about 404.1695159941.

Adding to 66022302 its reverse (20322066), we get a palindrome (86344368).

The spelling of 66022302 in words is "sixty-six million, twenty-two thousand, three hundred two".