42292273 has 2 divisors, whose sum is σ = 42292274. Its totient is φ = 42292272.

The previous prime is 42292219. The next prime is 42292307. The reversal of 42292273 is 37229224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36397089 + 5895184 = 6033^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 42292273 - 2⁹ = 42291761 is a prime.

It is not a weakly prime, because it can be changed into another prime (42292213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146136 + 21146137.

It is an arithmetic number, because the mean of its divisors is an integer number (21146137).

Almost surely, 2^42292273 is an apocalyptic number.

It is an amenable number.

42292273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42292273 is an equidigital number, since it uses as much as digits as its factorization.

42292273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 42292273 is about 6503.2509562526. The cubic root of 42292273 is about 348.4071098714.

The spelling of 42292273 in words is "forty-two million, two hundred ninety-two thousand, two hundred seventy-three".