22271346 has 12 divisors (see below), whose sum is σ = 48254622. Its totient is φ = 7423776.

The previous prime is 22271341. The next prime is 22271393. The reversal of 22271346 is 64317222.

It can be written as a sum of positive squares in only one way, i.e., 21261321 + 1010025 = 4611^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (22271341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618631 + ... + 618666.

Almost surely, 2^22271346 is an apocalyptic number.

22271346 is an abundant number, since it is smaller than the sum of its proper divisors (25983276).

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

22271346 is a wasteful number, since it uses less digits than its factorization.

22271346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237305 (or 1237302 counting only the distinct ones).

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

The square root of 22271346 is about 4719.2526950779. The cubic root of 22271346 is about 281.3512322991.

Adding to 22271346 its reverse (64317222), we get a palindrome (86588568).

The spelling of 22271346 in words is "twenty-two million, two hundred seventy-one thousand, three hundred forty-six".