2649022 has 4 divisors (see below), whose sum is σ = 3973536. Its totient is φ = 1324510.

The previous prime is 2649011. The next prime is 2649067. The reversal of 2649022 is 2209462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2209462 = 2 ⋅1104731.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 662254 + ... + 662257.

It is an arithmetic number, because the mean of its divisors is an integer number (993384).

2^2649022 is an apocalyptic number.

2649022 is a deficient number, since it is larger than the sum of its proper divisors (1324514).

2649022 is a wasteful number, since it uses less digits than its factorization.

2649022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324513.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2649022 is about 1627.5816415775. The cubic root of 2649022 is about 138.3657245805.

The spelling of 2649022 in words is "two million, six hundred forty-nine thousand, twenty-two".