22263270 has 64 divisors (see below), whose sum is σ = 56733696. Its totient is φ = 5581440.

The previous prime is 22263259. The next prime is 22263281. The reversal of 22263270 is 7236222.

It is an interprime number because it is at equal distance from previous prime (22263259) and next prime (22263281).

It is a self number, because there is not a number n which added to its sum of digits gives 22263270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34087 + ... + 34733.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^22263270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22263270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28366848).

22263270 is an abundant number, since it is smaller than the sum of its proper divisors (34470426).

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

22263270 is a wasteful number, since it uses less digits than its factorization.

22263270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22263270 is about 4718.3969735494. The cubic root of 22263270 is about 281.3172204758.

Adding to 22263270 its reverse (7236222), we get a palindrome (29499492).

It can be divided in two parts, 2226 and 3270, that multiplied together give a triangular number (7279020 = T₃₈₁₅).

The spelling of 22263270 in words is "twenty-two million, two hundred sixty-three thousand, two hundred seventy".