46422290 has 32 divisors (see below), whose sum is σ = 85484160. Its totient is φ = 18146304.

The previous prime is 46422289. The next prime is 46422293. The reversal of 46422290 is 9222464.

It is not an unprimeable number, because it can be changed into a prime (46422293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129131 + ... + 129489.

It is an arithmetic number, because the mean of its divisors is an integer number (2671380).

Almost surely, 2^46422290 is an apocalyptic number.

46422290 is a deficient number, since it is larger than the sum of its proper divisors (39061870).

46422290 is a wasteful number, since it uses less digits than its factorization.

46422290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 46422290 is about 6813.3904922586. The cubic root of 46422290 is about 359.3978875404.

The spelling of 46422290 in words is "forty-six million, four hundred twenty-two thousand, two hundred ninety".