406222530 has 32 divisors (see below), whose sum is σ = 1114210944. Its totient is φ = 92850816.

The previous prime is 406222529. The next prime is 406222559. The reversal of 406222530 is 35222604.

It is a self number, because there is not a number n which added to its sum of digits gives 406222530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966987 + ... + 967406.

It is an arithmetic number, because the mean of its divisors is an integer number (34819092).

Almost surely, 2^406222530 is an apocalyptic number.

406222530 is an abundant number, since it is smaller than the sum of its proper divisors (707988414).

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

406222530 is a wasteful number, since it uses less digits than its factorization.

406222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934410.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 406222530 is about 20154.9629123946. The cubic root of 406222530 is about 740.6073234400.

The spelling of 406222530 in words is "four hundred six million, two hundred twenty-two thousand, five hundred thirty".