1622478950 has 24 divisors (see below), whose sum is σ = 3121876080. Its totient is φ = 626612000.

The previous prime is 1622478887. The next prime is 1622478959. The reversal of 1622478950 is 598742261.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622478959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558026 + ... + 560925.

It is an arithmetic number, because the mean of its divisors is an integer number (130078170).

Almost surely, 2^1622478950 is an apocalyptic number.

1622478950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1622478950 is a deficient number, since it is larger than the sum of its proper divisors (1499397130).

1622478950 is a wasteful number, since it uses less digits than its factorization.

1622478950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118992 (or 1118987 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1622478950 is about 40280.0068272090. The cubic root of 1622478950 is about 1175.0590463763.

The spelling of 1622478950 in words is "one billion, six hundred twenty-two million, four hundred seventy-eight thousand, nine hundred fifty".