22261064 has 16 divisors (see below), whose sum is σ = 47702400. Its totient is φ = 9540432.

The previous prime is 22261061. The next prime is 22261093. The reversal of 22261064 is 46016222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261061) 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, 198704 + ... + 198815.

It is an arithmetic number, because the mean of its divisors is an integer number (2981400).

Almost surely, 2^22261064 is an apocalyptic number.

It is an amenable number.

22261064 is an abundant number, since it is smaller than the sum of its proper divisors (25441336).

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

22261064 is a wasteful number, since it uses less digits than its factorization.

22261064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397532 (or 397528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22261064 is about 4718.1632019251. The cubic root of 22261064 is about 281.3079285451.

Adding to 22261064 its reverse (46016222), we get a palindrome (68277286).

The spelling of 22261064 in words is "twenty-two million, two hundred sixty-one thousand, sixty-four".