66202244 has 24 divisors (see below), whose sum is σ = 120498840. Its totient is φ = 31786496.

The previous prime is 66202243. The next prime is 66202261. The reversal of 66202244 is 44220266.

It can be written as a sum of positive squares in 4 ways, for example, as 15507844 + 50694400 = 3938^2 + 7120^2 .

It is a super-2 number, since 2×66202244² = 8765474221271072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66202243) 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, 21404 + ... + 24300.

It is an arithmetic number, because the mean of its divisors is an integer number (5020785).

Almost surely, 2^66202244 is an apocalyptic number.

It is an amenable number.

66202244 is a deficient number, since it is larger than the sum of its proper divisors (54296596).

66202244 is a wasteful number, since it uses less digits than its factorization.

66202244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 66202244 is about 8136.4761414263. The cubic root of 66202244 is about 404.5363672793.

The spelling of 66202244 in words is "sixty-six million, two hundred two thousand, two hundred forty-four".