22461273 has 8 divisors (see below), whose sum is σ = 33276000. Its totient is φ = 14974164.

The previous prime is 22461269. The next prime is 22461311. The reversal of 22461273 is 37216422.

It is not a de Polignac number, because 22461273 - 2² = 22461269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 831899 = 22461273 / (2 + 2 + 4 + 6 + 1 + 2 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (22461203) 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, 415923 + ... + 415976.

It is an arithmetic number, because the mean of its divisors is an integer number (4159500).

Almost surely, 2^22461273 is an apocalyptic number.

It is an amenable number.

22461273 is a deficient number, since it is larger than the sum of its proper divisors (10814727).

22461273 is an equidigital number, since it uses as much as digits as its factorization.

22461273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831908 (or 831902 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22461273 is about 4739.3325479439. The cubic root of 22461273 is about 282.1487445258.

Adding to 22461273 its reverse (37216422), we get a palindrome (59677695).

The spelling of 22461273 in words is "twenty-two million, four hundred sixty-one thousand, two hundred seventy-three".