998773422 has 32 divisors (see below), whose sum is σ = 2030234112. Its totient is φ = 327490944.

The previous prime is 998773421. The next prime is 998773483. The reversal of 998773422 is 224377899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998773421) 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, 391483 + ... + 394025.

It is an arithmetic number, because the mean of its divisors is an integer number (63444816).

Almost surely, 2^998773422 is an apocalyptic number.

998773422 is an abundant number, since it is smaller than the sum of its proper divisors (1031460690).

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

998773422 is a wasteful number, since it uses less digits than its factorization.

998773422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592.

The product of its digits is 1524096, while the sum is 51.

The square root of 998773422 is about 31603.3767499614. The cubic root of 998773422 is about 999.5909733867.

The spelling of 998773422 in words is "nine hundred ninety-eight million, seven hundred seventy-three thousand, four hundred twenty-two".