450222136 has 32 divisors (see below), whose sum is σ = 1038975840. Its totient is φ = 178109568.

The previous prime is 450222131. The next prime is 450222139. The reversal of 450222136 is 631222054.

It is a self number, because there is not a number n which added to its sum of digits gives 450222136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450222131) 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, 308491 + ... + 309946.

It is an arithmetic number, because the mean of its divisors is an integer number (32467995).

Almost surely, 2^450222136 is an apocalyptic number.

It is an amenable number.

450222136 is an abundant number, since it is smaller than the sum of its proper divisors (588753704).

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

450222136 is a wasteful number, since it uses less digits than its factorization.

450222136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618463 (or 618459 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 450222136 is about 21218.4385853436. The cubic root of 450222136 is about 766.4355041788.

The spelling of 450222136 in words is "four hundred fifty million, two hundred twenty-two thousand, one hundred thirty-six".