2921222 has 8 divisors (see below), whose sum is σ = 4389672. Its totient is φ = 1458000.

The previous prime is 2921221. The next prime is 2921227. The reversal of 2921222 is 2221292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2921194 and 2921203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921221) 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, 722 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (548709).

2^2921222 is an apocalyptic number.

2921222 is a deficient number, since it is larger than the sum of its proper divisors (1468450).

2921222 is a wasteful number, since it uses less digits than its factorization.

2921222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its digits is 288, while the sum is 20.

The square root of 2921222 is about 1709.1582723668. The cubic root of 2921222 is about 142.9513257981.

The spelling of 2921222 in words is "two million, nine hundred twenty-one thousand, two hundred twenty-two".