3622429 has 2 divisors, whose sum is σ = 3622430. Its totient is φ = 3622428.

The previous prime is 3622427. The next prime is 3622433. The reversal of 3622429 is 9242263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 273529 = 1830^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622429 - 2¹ = 3622427 is a prime.

Together with 3622427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3622397 and 3622406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811214 + 1811215.

It is an arithmetic number, because the mean of its divisors is an integer number (1811215).

Almost surely, 2^3622429 is an apocalyptic number.

It is an amenable number.

3622429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622429 is an equidigital number, since it uses as much as digits as its factorization.

3622429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 3622429 is about 1903.2679790298. The cubic root of 3622429 is about 153.5795157914.

The spelling of 3622429 in words is "three million, six hundred twenty-two thousand, four hundred twenty-nine".