1622428353 has 32 divisors (see below), whose sum is σ = 2958278400. Its totient is φ = 855785088.

The previous prime is 1622428331. The next prime is 1622428361. The reversal of 1622428353 is 3538242261.

1622428353 is a `hidden beast` number, since 1 + 62 + 242 + 8 + 353 = 666.

It is not a de Polignac number, because 1622428353 - 2⁶ = 1622428289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622428393) 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, 327708 + ... + 332621.

It is an arithmetic number, because the mean of its divisors is an integer number (92446200).

Almost surely, 2^1622428353 is an apocalyptic number.

1622428353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1622428353 is a deficient number, since it is larger than the sum of its proper divisors (1335850047).

1622428353 is a wasteful number, since it uses less digits than its factorization.

1622428353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660358 (or 660352 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1622428353 is about 40279.3787563810. The cubic root of 1622428353 is about 1175.0468315120.

The spelling of 1622428353 in words is "one billion, six hundred twenty-two million, four hundred twenty-eight thousand, three hundred fifty-three".