1622234398 has 16 divisors (see below), whose sum is σ = 2452481280. Its totient is φ = 804761496.

The previous prime is 1622234387. The next prime is 1622234429. The reversal of 1622234398 is 8934322261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622234398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160861 + ... + 170647.

It is an arithmetic number, because the mean of its divisors is an integer number (153280080).

Almost surely, 2^1622234398 is an apocalyptic number.

1622234398 is a deficient number, since it is larger than the sum of its proper divisors (830246882).

1622234398 is a wasteful number, since it uses less digits than its factorization.

1622234398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431.

The product of its digits is 124416, while the sum is 40.

The square root of 1622234398 is about 40276.9710628791. The cubic root of 1622234398 is about 1175.0000055530. Note that the first 5 decimals are identical.

The spelling of 1622234398 in words is "one billion, six hundred twenty-two million, two hundred thirty-four thousand, three hundred ninety-eight".