46220146 has 16 divisors (see below), whose sum is σ = 79542144. Its totient is φ = 19731744.

The previous prime is 46220143. The next prime is 46220177. The reversal of 46220146 is 64102264.

It is a super-2 number, since 2×46220146² = 4272603792522632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46220146.

It is not an unprimeable number, because it can be changed into a prime (46220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (4971384).

Almost surely, 2^46220146 is an apocalyptic number.

46220146 is a deficient number, since it is larger than the sum of its proper divisors (33321998).

46220146 is a wasteful number, since it uses less digits than its factorization.

46220146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825.

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

The square root of 46220146 is about 6798.5399903215. The cubic root of 46220146 is about 358.8754672900.

The spelling of 46220146 in words is "forty-six million, two hundred twenty thousand, one hundred forty-six".