450354222 has 32 divisors (see below), whose sum is σ = 1024066560. Its totient is φ = 146626200.

The previous prime is 450354217. The next prime is 450354239. The reversal of 450354222 is 222453054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 94654 + ... + 99297.

It is an arithmetic number, because the mean of its divisors is an integer number (32002080).

Almost surely, 2^450354222 is an apocalyptic number.

450354222 is an abundant number, since it is smaller than the sum of its proper divisors (573712338).

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

450354222 is a wasteful number, since it uses less digits than its factorization.

450354222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194005 (or 193999 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 450354222 is about 21221.5508858330. The cubic root of 450354222 is about 766.5104490363.

The spelling of 450354222 in words is "four hundred fifty million, three hundred fifty-four thousand, two hundred twenty-two".