622289087 has 16 divisors (see below), whose sum is σ = 716305920. Its totient is φ = 529568928.

The previous prime is 622289053. The next prime is 622289123. The reversal of 622289087 is 780982226.

It is not a de Polignac number, because 622289087 - 2²² = 618094783 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 (622289027) 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, 943964 + ... + 944622.

It is an arithmetic number, because the mean of its divisors is an integer number (44769120).

Almost surely, 2^622289087 is an apocalyptic number.

622289087 is a deficient number, since it is larger than the sum of its proper divisors (94016833).

622289087 is a wasteful number, since it uses less digits than its factorization.

622289087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 622289087 is about 24945.7228197541. The cubic root of 622289087 is about 853.7500228158.

The spelling of 622289087 in words is "six hundred twenty-two million, two hundred eighty-nine thousand, eighty-seven".