994226170490 has 24 divisors (see below), whose sum is σ = 2081787860052. Its totient is φ = 340877544000.

The previous prime is 994226170489. The next prime is 994226170493. The reversal of 994226170490 is 94071622499.

It can be written as a sum of positive squares in 2 ways, for example, as 993987066121 + 239104369 = 996989^2 + 15463^2 .

It is not an unprimeable number, because it can be changed into a prime (994226170493) 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, 1014516011 + ... + 1014516990.

Almost surely, 2^994226170490 is an apocalyptic number.

994226170490 is an abundant number, since it is smaller than the sum of its proper divisors (1087561689562).

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

994226170490 is a wasteful number, since it uses less digits than its factorization.

994226170490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029033022 (or 2029033015 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 994226170490 in words is "nine hundred ninety-four billion, two hundred twenty-six million, one hundred seventy thousand, four hundred ninety".