2102722 has 16 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1014832.

The previous prime is 2102717. The next prime is 2102741. The reversal of 2102722 is 2272012.

It is a junction number, because it is equal to n+sod(n) for n = 2102696 and 2102705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8679 + ... + 8917.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2102722 is an apocalyptic number.

2102722 is a deficient number, since it is larger than the sum of its proper divisors (1163198).

2102722 is a wasteful number, since it uses less digits than its factorization.

2102722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2102722 is about 1450.0765497035. The cubic root of 2102722 is about 128.1132217608.

Adding to 2102722 its reverse (2272012), we get a palindrome (4374734).

The spelling of 2102722 in words is "two million, one hundred two thousand, seven hundred twenty-two".