2922661 has 4 divisors (see below), whose sum is σ = 3340192. Its totient is φ = 2505132.

The previous prime is 2922659. The next prime is 2922677. The reversal of 2922661 is 1662292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2922661 - 2¹ = 2922659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2922631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208755 + ... + 208768.

It is an arithmetic number, because the mean of its divisors is an integer number (835048).

2^2922661 is an apocalyptic number.

It is an amenable number.

2922661 is a deficient number, since it is larger than the sum of its proper divisors (417531).

2922661 is an equidigital number, since it uses as much as digits as its factorization.

2922661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417530.

The product of its digits is 2592, while the sum is 28.

The square root of 2922661 is about 1709.5791879875. The cubic root of 2922661 is about 142.9747946512.

The spelling of 2922661 in words is "two million, nine hundred twenty-two thousand, six hundred sixty-one".