2045722 has 16 divisors (see below), whose sum is σ = 3582720. Its totient is φ = 857808.

The previous prime is 2045713. The next prime is 2045731. The reversal of 2045722 is 2275402.

It is an interprime number because it is at equal distance from previous prime (2045713) and next prime (2045731).

It is a junction number, because it is equal to n+sod(n) for n = 2045693 and 2045702.

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 7 ways as a sum of consecutive naturals, for example, 897 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (223920).

2^2045722 is an apocalyptic number.

2045722 is a deficient number, since it is larger than the sum of its proper divisors (1536998).

2045722 is a wasteful number, since it uses less digits than its factorization.

2045722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2045722 is about 1430.2873837100. The cubic root of 2045722 is about 126.9449820590.

It can be divided in two parts, 20457 and 22, that multiplied together give a palindrome (450054).

The spelling of 2045722 in words is "two million, forty-five thousand, seven hundred twenty-two".