7622429 has 2 divisors, whose sum is σ = 7622430. Its totient is φ = 7622428.

The previous prime is 7622423. The next prime is 7622431. The reversal of 7622429 is 9242267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 3602404 = 2005^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 7622429 - 2¹⁶ = 7556893 is a prime.

Together with 7622431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7622395 and 7622404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7622423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811214 + 3811215.

It is an arithmetic number, because the mean of its divisors is an integer number (3811215).

Almost surely, 2^7622429 is an apocalyptic number.

It is an amenable number.

7622429 is a deficient number, since it is larger than the sum of its proper divisors (1).

7622429 is an equidigital number, since it uses as much as digits as its factorization.

7622429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 7622429 is about 2760.8746802418. The cubic root of 7622429 is about 196.8027348448.

The spelling of 7622429 in words is "seven million, six hundred twenty-two thousand, four hundred twenty-nine".