2222629 has 2 divisors, whose sum is σ = 2222630. Its totient is φ = 2222628.

The previous prime is 2222621. The next prime is 2222653. The reversal of 2222629 is 9262222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 52900 = 1473^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222629 - 2³ = 2222621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111314 + 1111315.

It is an arithmetic number, because the mean of its divisors is an integer number (1111315).

2^2222629 is an apocalyptic number.

It is an amenable number.

2222629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222629 is an equidigital number, since it uses as much as digits as its factorization.

2222629 is an evil number, because the sum of its binary digits is even.

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

The square root of 2222629 is about 1490.8484161711. The cubic root of 2222629 is about 130.5035499590.

The spelling of 2222629 in words is "two million, two hundred twenty-two thousand, six hundred twenty-nine".