422010090 has 48 divisors (see below), whose sum is σ = 1098894888. Its totient is φ = 112364928.

The previous prime is 422010079. The next prime is 422010101. The reversal of 422010090 is 90010224.

It is an interprime number because it is at equal distance from previous prime (422010079) and next prime (422010101).

It can be written as a sum of positive squares in 4 ways, for example, as 327356649 + 94653441 = 18093^2 + 9729^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62772 + ... + 69168.

Almost surely, 2^422010090 is an apocalyptic number.

422010090 is an abundant number, since it is smaller than the sum of its proper divisors (676884798).

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

422010090 is a wasteful number, since it uses less digits than its factorization.

422010090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143 (or 7140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 422010090 is about 20542.8841694636. The cubic root of 422010090 is about 750.0800447901.

The spelling of 422010090 in words is "four hundred twenty-two million, ten thousand, ninety".