305426222 has 16 divisors (see below), whose sum is σ = 468275472. Its totient is φ = 149371200.

The previous prime is 305426221. The next prime is 305426249. The reversal of 305426222 is 222624503.

It is a junction number, because it is equal to n+sod(n) for n = 305426191 and 305426200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305426221) 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, 7658 + ... + 25874.

It is an arithmetic number, because the mean of its divisors is an integer number (29267217).

Almost surely, 2^305426222 is an apocalyptic number.

305426222 is a deficient number, since it is larger than the sum of its proper divisors (162849250).

305426222 is a wasteful number, since it uses less digits than its factorization.

305426222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 305426222 is about 17476.4476367482. The cubic root of 305426222 is about 673.4449594912. Note that the first 3 decimals are identical.

The spelling of 305426222 in words is "three hundred five million, four hundred twenty-six thousand, two hundred twenty-two".