422426000 has 40 divisors (see below), whose sum is σ = 1021430904. Its totient is φ = 168969600.

The previous prime is 422425987. The next prime is 422426029. The reversal of 422426000 is 624224.

It can be written as a sum of positive squares in 4 ways, for example, as 116035984 + 306390016 = 10772^2 + 17504^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 103607 + ... + 107606.

Almost surely, 2^422426000 is an apocalyptic number.

422426000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422426000 is an abundant number, since it is smaller than the sum of its proper divisors (599004904).

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

422426000 is a wasteful number, since it uses less digits than its factorization.

422426000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211236 (or 211220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422426000 is about 20553.0046465231. The cubic root of 422426000 is about 750.3263764691.

The spelling of 422426000 in words is "four hundred twenty-two million, four hundred twenty-six thousand".