22262661 has 16 divisors (see below), whose sum is σ = 34718400. Its totient is φ = 14060304.

The previous prime is 22262659. The next prime is 22262663. The reversal of 22262661 is 16626222.

It is an interprime number because it is at equal distance from previous prime (22262659) and next prime (22262663).

It is not a de Polignac number, because 22262661 - 2¹ = 22262659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22262663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21186 + ... + 22211.

It is an arithmetic number, because the mean of its divisors is an integer number (2169900).

Almost surely, 2^22262661 is an apocalyptic number.

It is an amenable number.

22262661 is a deficient number, since it is larger than the sum of its proper divisors (12455739).

22262661 is a wasteful number, since it uses less digits than its factorization.

22262661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425 (or 43419 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22262661 is about 4718.3324384787. The cubic root of 22262661 is about 281.3146553577.

Adding to 22262661 its reverse (16626222), we get a palindrome (38888883).

The spelling of 22262661 in words is "twenty-two million, two hundred sixty-two thousand, six hundred sixty-one".