42670322 has 18 divisors (see below), whose sum is σ = 66583629. Its totient is φ = 20508360.

The previous prime is 42670301. The next prime is 42670363. The reversal of 42670322 is 22307624.

It can be written as a sum of positive squares in 2 ways, for example, as 35058241 + 7612081 = 5921^2 + 2759^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4619.

It is a junction number, because it is equal to n+sod(n) for n = 42670291 and 42670300.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 286304 + ... + 286452.

Almost surely, 2^42670322 is an apocalyptic number.

42670322 is a deficient number, since it is larger than the sum of its proper divisors (23913307).

42670322 is an equidigital number, since it uses as much as digits as its factorization.

42670322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 42670322 is about 6532.2524446013. The cubic root of 42670322 is about 349.4421644464.

Adding to 42670322 its reverse (22307624), we get a palindrome (64977946).

The spelling of 42670322 in words is "forty-two million, six hundred seventy thousand, three hundred twenty-two".