22273446 has 16 divisors (see below), whose sum is σ = 47973744. Its totient is φ = 6853344.

The previous prime is 22273439. The next prime is 22273483. The reversal of 22273446 is 64437222.

It is a super-2 number, since 2×22273446² = 992212793429832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142701 + ... + 142856.

It is an arithmetic number, because the mean of its divisors is an integer number (2998359).

Almost surely, 2^22273446 is an apocalyptic number.

22273446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22273446 is an abundant number, since it is smaller than the sum of its proper divisors (25700298).

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

22273446 is a wasteful number, since it uses less digits than its factorization.

22273446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285575.

The product of its digits is 16128, while the sum is 30.

The square root of 22273446 is about 4719.4751826872. The cubic root of 22273446 is about 281.3600750369.

The spelling of 22273446 in words is "twenty-two million, two hundred seventy-three thousand, four hundred forty-six".