2108722 has 16 divisors (see below), whose sum is σ = 3943872. Its totient is φ = 821520.

The previous prime is 2108699. The next prime is 2108723. The reversal of 2108722 is 2278012.

2108722 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2108693 and 2108702.

It is not an unprimeable number, because it can be changed into a prime (2108723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6693 + ... + 7000.

It is an arithmetic number, because the mean of its divisors is an integer number (246492).

2^2108722 is an apocalyptic number.

2108722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2108722 is a deficient number, since it is larger than the sum of its proper divisors (1835150).

2108722 is a wasteful number, since it uses less digits than its factorization.

2108722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2108722 is about 1452.1439322602. The cubic root of 2108722 is about 128.2349606877.

The spelling of 2108722 in words is "two million, one hundred eight thousand, seven hundred twenty-two".