4022629 has 4 divisors (see below), whose sum is σ = 4332076. Its totient is φ = 3713184.

The previous prime is 4022611. The next prime is 4022657. The reversal of 4022629 is 9262204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 864900 + 3157729 = 930^2 + 1777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022629 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 (4022929) 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, 154704 + ... + 154729.

It is an arithmetic number, because the mean of its divisors is an integer number (1083019).

Almost surely, 2^4022629 is an apocalyptic number.

It is an amenable number.

4022629 is a deficient number, since it is larger than the sum of its proper divisors (309447).

4022629 is a wasteful number, since it uses less digits than its factorization.

4022629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309446.

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

The square root of 4022629 is about 2005.6492714331. The cubic root of 4022629 is about 159.0388866294.

The spelling of 4022629 in words is "four million, twenty-two thousand, six hundred twenty-nine".