1623422265 has 16 divisors (see below), whose sum is σ = 2660829696. Its totient is φ = 844707200.

The previous prime is 1623422257. The next prime is 1623422267. The reversal of 1623422265 is 5622243261.

It is a happy number.

It is not a de Polignac number, because 1623422265 - 2³ = 1623422257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1623422267) 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, 1319241 + ... + 1320470.

It is an arithmetic number, because the mean of its divisors is an integer number (166301856).

Almost surely, 2^1623422265 is an apocalyptic number.

1623422265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1623422265 is a deficient number, since it is larger than the sum of its proper divisors (1037407431).

1623422265 is a wasteful number, since it uses less digits than its factorization.

1623422265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639760.

The product of its digits is 34560, while the sum is 33.

The square root of 1623422265 is about 40291.7145949387. The cubic root of 1623422265 is about 1175.2867300852.

The spelling of 1623422265 in words is "one billion, six hundred twenty-three million, four hundred twenty-two thousand, two hundred sixty-five".