1622471730398 has 4 divisors (see below), whose sum is σ = 2433707595600. Its totient is φ = 811235865198.

The previous prime is 1622471730391. The next prime is 1622471730403. The reversal of 1622471730398 is 8930371742261.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622471730391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405617932598 + ... + 405617932601.

It is an arithmetic number, because the mean of its divisors is an integer number (608426898900).

Almost surely, 2^{1622471730398} is an apocalyptic number.

1622471730398 is a deficient number, since it is larger than the sum of its proper divisors (811235865202).

1622471730398 is an equidigital number, since it uses as much as digits as its factorization.

1622471730398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811235865201.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 1622471730398 in words is "one trillion, six hundred twenty-two billion, four hundred seventy-one million, seven hundred thirty thousand, three hundred ninety-eight".