2646922 has 4 divisors (see below), whose sum is σ = 3970386. Its totient is φ = 1323460.

The previous prime is 2646901. The next prime is 2646923. The reversal of 2646922 is 2296462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1394761 + 1252161 = 1181^2 + 1119^2 .

It is not an unprimeable number, because it can be changed into a prime (2646923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661729 + ... + 661732.

2^2646922 is an apocalyptic number.

2646922 is a deficient number, since it is larger than the sum of its proper divisors (1323464).

2646922 is a wasteful number, since it uses less digits than its factorization.

2646922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323463.

The product of its digits is 10368, while the sum is 31.

The square root of 2646922 is about 1626.9363847428. The cubic root of 2646922 is about 138.3291519841.

The spelling of 2646922 in words is "two million, six hundred forty-six thousand, nine hundred twenty-two".