66050022 has 16 divisors (see below), whose sum is σ = 133961472. Its totient is φ = 21706440.

The previous prime is 66049999. The next prime is 66050027. The reversal of 66050022 is 22005066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66050027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77098 + ... + 77949.

It is an arithmetic number, because the mean of its divisors is an integer number (8372592).

Almost surely, 2^66050022 is an apocalyptic number.

66050022 is an abundant number, since it is smaller than the sum of its proper divisors (67911450).

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

66050022 is a wasteful number, since it uses less digits than its factorization.

66050022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155123.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 66050022 is about 8127.1164628052. The cubic root of 66050022 is about 404.2260726981.

Adding to 66050022 its reverse (22005066), we get a palindrome (88055088).

The spelling of 66050022 in words is "sixty-six million, fifty thousand, twenty-two".