46222640 has 40 divisors (see below), whose sum is σ = 112144608. Its totient is φ = 17684480.

The previous prime is 46222639. The next prime is 46222661. The reversal of 46222640 is 4622264.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10721 + ... + 14400.

Almost surely, 2^46222640 is an apocalyptic number.

46222640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46222640 is an abundant number, since it is smaller than the sum of its proper divisors (65921968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46222640 is a wasteful number, since it uses less digits than its factorization.

46222640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25157 (or 25151 counting only the distinct ones).

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

The square root of 46222640 is about 6798.7234095821. The cubic root of 46222640 is about 358.8819220461.

The spelling of 46222640 in words is "forty-six million, two hundred twenty-two thousand, six hundred forty".