2929221 has 12 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 1889640.

The previous prime is 2929207. The next prime is 2929231. The reversal of 2929221 is 1229292.

It is not a de Polignac number, because 2929221 - 2⁵ = 2929189 is a prime.

2929221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4971 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (364000).

2^2929221 is an apocalyptic number.

It is an amenable number.

2929221 is a deficient number, since it is larger than the sum of its proper divisors (1438779).

2929221 is a wasteful number, since it uses less digits than its factorization.

2929221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536 (or 10533 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2929221 is about 1711.4967134061. The cubic root of 2929221 is about 143.0816851186.

The spelling of 2929221 in words is "two million, nine hundred twenty-nine thousand, two hundred twenty-one".