1622415045 has 16 divisors (see below), whose sum is σ = 2599045632. Its totient is φ = 864227520.

The previous prime is 1622415031. The next prime is 1622415071. The reversal of 1622415045 is 5405142261.

It is not a de Polignac number, because 1622415045 - 2¹⁰ = 1622414021 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53557 + ... + 78186.

It is an arithmetic number, because the mean of its divisors is an integer number (162440352).

Almost surely, 2^1622415045 is an apocalyptic number.

1622415045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1622415045 is a deficient number, since it is larger than the sum of its proper divisors (976630587).

1622415045 is a wasteful number, since it uses less digits than its factorization.

1622415045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132572.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1622415045 is about 40279.2135598499. The cubic root of 1622415045 is about 1175.0436187218.

The spelling of 1622415045 in words is "one billion, six hundred twenty-two million, four hundred fifteen thousand, forty-five".