622235289 has 16 divisors (see below), whose sum is σ = 895553792. Its totient is φ = 382019328.

The previous prime is 622235287. The next prime is 622235297. The reversal of 622235289 is 982532226.

It is not a de Polignac number, because 622235289 - 2¹ = 622235287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622235287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537 + ... + 35310.

It is an arithmetic number, because the mean of its divisors is an integer number (55972112).

Almost surely, 2^622235289 is an apocalyptic number.

It is an amenable number.

622235289 is a deficient number, since it is larger than the sum of its proper divisors (273318503).

622235289 is a wasteful number, since it uses less digits than its factorization.

622235289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37296.

The product of its digits is 103680, while the sum is 39.

The square root of 622235289 is about 24944.6444953621. The cubic root of 622235289 is about 853.7254193701.

The spelling of 622235289 in words is "six hundred twenty-two million, two hundred thirty-five thousand, two hundred eighty-nine".