42664202 has 12 divisors (see below), whose sum is σ = 74444850. Its totient is φ = 18284616.

The previous prime is 42664201. The next prime is 42664229. The reversal of 42664202 is 20246624.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 919681 = 6461^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (42664201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217577 + ... + 217772.

Almost surely, 2^42664202 is an apocalyptic number.

42664202 is a deficient number, since it is larger than the sum of its proper divisors (31780648).

42664202 is a wasteful number, since it uses less digits than its factorization.

42664202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435365 (or 435358 counting only the distinct ones).

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

The square root of 42664202 is about 6531.7839829560. The cubic root of 42664202 is about 349.4254573754.

The spelling of 42664202 in words is "forty-two million, six hundred sixty-four thousand, two hundred two".