45622190 has 8 divisors (see below), whose sum is σ = 82119960. Its totient is φ = 18248872.

The previous prime is 45622189. The next prime is 45622259. The reversal of 45622190 is 9122654.

It is a happy number.

45622190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45622190² = 4162768440792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281100 + ... + 2281119.

It is an arithmetic number, because the mean of its divisors is an integer number (10264995).

Almost surely, 2^45622190 is an apocalyptic number.

45622190 is a deficient number, since it is larger than the sum of its proper divisors (36497770).

45622190 is a wasteful number, since it uses less digits than its factorization.

45622190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562226.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45622190 is about 6754.4200343183. The cubic root of 45622190 is about 357.3211389508.

The spelling of 45622190 in words is "forty-five million, six hundred twenty-two thousand, one hundred ninety".