622089157 has 4 divisors (see below), whose sum is σ = 622363456. Its totient is φ = 621814860.

The previous prime is 622089113. The next prime is 622089173. The reversal of 622089157 is 751980226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751980226 = 2 ⋅375990113.

It is a cyclic number.

It is not a de Polignac number, because 622089157 - 2¹⁹ = 621564869 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 (622089197) 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 in 3 ways as a sum of consecutive naturals, for example, 133719 + ... + 138292.

It is an arithmetic number, because the mean of its divisors is an integer number (155590864).

Almost surely, 2^622089157 is an apocalyptic number.

It is an amenable number.

622089157 is a deficient number, since it is larger than the sum of its proper divisors (274299).

622089157 is a wasteful number, since it uses less digits than its factorization.

622089157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274298.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 622089157 is about 24941.7151976363. The cubic root of 622089157 is about 853.6585816466.

The spelling of 622089157 in words is "six hundred twenty-two million, eighty-nine thousand, one hundred fifty-seven".