22220262 has 48 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 7196976.

The previous prime is 22220257. The next prime is 22220267. The reversal of 22220262 is 26202222.

It is an interprime number because it is at equal distance from previous prime (22220257) and next prime (22220267).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220267) 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 23 ways as a sum of consecutive naturals, for example, 159789 + ... + 159927.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^22220262 is an apocalyptic number.

22220262 is an abundant number, since it is smaller than the sum of its proper divisors (27312858).

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

22220262 is a wasteful number, since it uses less digits than its factorization.

22220262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22220262 is about 4713.8372903612. The cubic root of 22220262 is about 281.1359549469.

Adding to 22220262 its reverse (26202222), we get a palindrome (48422484).

The spelling of 22220262 in words is "twenty-two million, two hundred twenty thousand, two hundred sixty-two".