2045622 has 8 divisors (see below), whose sum is σ = 4091256. Its totient is φ = 681872.

The previous prime is 2045611. The next prime is 2045629. The reversal of 2045622 is 2265402.

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

2045622 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170463 + ... + 170474.

It is an arithmetic number, because the mean of its divisors is an integer number (511407).

2^2045622 is an apocalyptic number.

2045622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2045622 is a wasteful number, since it uses less digits than its factorization.

2045622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340942.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2045622 is about 1430.2524252732. The cubic root of 2045622 is about 126.9429135627.

The spelling of 2045622 in words is "two million, forty-five thousand, six hundred twenty-two".