426299221000 has 32 divisors (see below), whose sum is σ = 997540179480. Its totient is φ = 170519688000.

The previous prime is 426299220989. The next prime is 426299221003. The reversal of 426299221000 is 122992624.

It can be written as a sum of positive squares in 4 ways, for example, as 99410306436 + 326888914564 = 315294^2 + 571742^2 .

It is not an unprimeable number, because it can be changed into a prime (426299221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213148611 + ... + 213150610.

Almost surely, 2^426299221000 is an apocalyptic number.

426299221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426299221000 is an abundant number, since it is smaller than the sum of its proper divisors (571240958480).

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

426299221000 is a wasteful number, since it uses less digits than its factorization.

426299221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426299242 (or 426299228 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

It can be divided in two parts, 42629 and 9221000, that added together give a palindrome (9263629).

The spelling of 426299221000 in words is "four hundred twenty-six billion, two hundred ninety-nine million, two hundred twenty-one thousand".