22273516 has 12 divisors (see below), whose sum is σ = 39026232. Its totient is φ = 11123168.

The previous prime is 22273513. The next prime is 22273523. The reversal of 22273516 is 61537222.

It is a super-2 number, since 2×22273516² = 992219030004512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22273513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (3252186).

Almost surely, 2^22273516 is an apocalyptic number.

It is an amenable number.

22273516 is a deficient number, since it is larger than the sum of its proper divisors (16752716).

22273516 is a wasteful number, since it uses less digits than its factorization.

22273516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 6798 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 22273516 is about 4719.4825987602. The cubic root of 22273516 is about 281.3603697853.

The spelling of 22273516 in words is "twenty-two million, two hundred seventy-three thousand, five hundred sixteen".