622420455 has 32 divisors (see below), whose sum is σ = 1010822400. Its totient is φ = 327013632.

The previous prime is 622420453. The next prime is 622420481. The reversal of 622420455 is 554024226.

It is a happy number.

622420455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622420455 - 2¹ = 622420453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622420453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284556 + ... + 286734.

It is an arithmetic number, because the mean of its divisors is an integer number (31588200).

Almost surely, 2^622420455 is an apocalyptic number.

622420455 is a deficient number, since it is larger than the sum of its proper divisors (388401945).

622420455 is a wasteful number, since it uses less digits than its factorization.

622420455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 622420455 is about 24948.3557574442. The cubic root of 622420455 is about 853.8100954006.

The spelling of 622420455 in words is "six hundred twenty-two million, four hundred twenty thousand, four hundred fifty-five".