2629221 has 8 divisors (see below), whose sum is σ = 4006464. Its totient is φ = 1502400.

The previous prime is 2629213. The next prime is 2629223. The reversal of 2629221 is 1229262.

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

It is not a de Polignac number, because 2629221 - 2³ = 2629213 is a prime.

It is a Curzon number.

2629221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2629191 and 2629200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2629223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62580 + ... + 62621.

It is an arithmetic number, because the mean of its divisors is an integer number (500808).

2^2629221 is an apocalyptic number.

2629221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2629221 is a deficient number, since it is larger than the sum of its proper divisors (1377243).

2629221 is a wasteful number, since it uses less digits than its factorization.

2629221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125211.

The product of its digits is 864, while the sum is 24.

The square root of 2629221 is about 1621.4872802461. The cubic root of 2629221 is about 138.0201083910.

It can be divided in two parts, 2629 and 221, that added together give a triangular number (2850 = T₇₅).

The spelling of 2629221 in words is "two million, six hundred twenty-nine thousand, two hundred twenty-one".