22263465 has 32 divisors (see below), whose sum is σ = 41665536. Its totient is φ = 9938880.

The previous prime is 22263457. The next prime is 22263469. The reversal of 22263465 is 56436222.

It is not a de Polignac number, because 22263465 - 2³ = 22263457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22263469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (1302048).

Almost surely, 2^22263465 is an apocalyptic number.

It is an amenable number.

22263465 is a deficient number, since it is larger than the sum of its proper divisors (19402071).

22263465 is a wasteful number, since it uses less digits than its factorization.

22263465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989.

The product of its digits is 17280, while the sum is 30.

The square root of 22263465 is about 4718.4176373017. The cubic root of 22263465 is about 281.3180418092.

Adding to 22263465 its reverse (56436222), we get a palindrome (78699687).

The spelling of 22263465 in words is "twenty-two million, two hundred sixty-three thousand, four hundred sixty-five".