451622 has 16 divisors (see below), whose sum is σ = 738720. Its totient is φ = 206208.

The previous prime is 451621. The next prime is 451637. The reversal of 451622 is 226154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451594 and 451603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451621) 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, 1079 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (46170).

2⁴⁵¹⁶²² is an apocalyptic number.

451622 is a deficient number, since it is larger than the sum of its proper divisors (287098).

451622 is a wasteful number, since it uses less digits than its factorization.

451622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 480, while the sum is 20.

The square root of 451622 is about 672.0282732148. The cubic root of 451622 is about 76.7229034984.

Adding to 451622 its reverse (226154), we get a palindrome (677776).

The spelling of 451622 in words is "four hundred fifty-one thousand, six hundred twenty-two".