2162623420 has 48 divisors (see below), whose sum is σ = 4614744960. Its totient is φ = 851175936.

The previous prime is 2162623417. The next prime is 2162623427. The reversal of 2162623420 is 243262612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162623427) 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, 492354 + ... + 496726.

It is an arithmetic number, because the mean of its divisors is an integer number (96140520).

Almost surely, 2^2162623420 is an apocalyptic number.

2162623420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162623420 is an abundant number, since it is smaller than the sum of its proper divisors (2452121540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162623420 is a wasteful number, since it uses less digits than its factorization.

2162623420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2162623420 is about 46504.0150954732. The cubic root of 2162623420 is about 1293.1839344263.

The spelling of 2162623420 in words is "two billion, one hundred sixty-two million, six hundred twenty-three thousand, four hundred twenty".