42266212 has 6 divisors (see below), whose sum is σ = 73965878. Its totient is φ = 21133104.

The previous prime is 42266209. The next prime is 42266219. The reversal of 42266212 is 21266224.

It can be written as a sum of positive squares in only one way, i.e., 40883236 + 1382976 = 6394^2 + 1176^2 .

It is not an unprimeable number, because it can be changed into a prime (42266219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283273 + ... + 5283280.

Almost surely, 2^42266212 is an apocalyptic number.

It is an amenable number.

42266212 is a deficient number, since it is larger than the sum of its proper divisors (31699666).

42266212 is a wasteful number, since it uses less digits than its factorization.

42266212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566557 (or 10566555 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 42266212 is about 6501.2469573152. The cubic root of 42266212 is about 348.3355309696.

The spelling of 42266212 in words is "forty-two million, two hundred sixty-six thousand, two hundred twelve".