1864722 has 16 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 617520.

The previous prime is 1864711. The next prime is 1864739. The reversal of 1864722 is 2274681.

It is a self number, because there is not a number n which added to its sum of digits gives 1864722.

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, 72 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

2^1864722 is an apocalyptic number.

1864722 is an abundant number, since it is smaller than the sum of its proper divisors (1889070).

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

1864722 is a wasteful number, since it uses less digits than its factorization.

1864722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033.

The product of its digits is 5376, while the sum is 30.

The square root of 1864722 is about 1365.5482415499. The cubic root of 1864722 is about 123.0848776309.

The spelling of 1864722 in words is "one million, eight hundred sixty-four thousand, seven hundred twenty-two".