22063869 has 6 divisors (see below), whose sum is σ = 31870046. Its totient is φ = 14709240.

The previous prime is 22063849. The next prime is 22063879. The reversal of 22063869 is 96836022.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 580644 = 4635^2 + 762^2 .

It is not a de Polignac number, because 22063869 - 2¹¹ = 22061821 is a prime.

It is a super-2 number, since 2×22063869² = 973628630498322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225762 + ... + 1225779.

Almost surely, 2^22063869 is an apocalyptic number.

It is an amenable number.

22063869 is a deficient number, since it is larger than the sum of its proper divisors (9806177).

22063869 is a wasteful number, since it uses less digits than its factorization.

22063869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451547 (or 2451544 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22063869 is about 4697.2192837891. The cubic root of 22063869 is about 280.4748278287.

The spelling of 22063869 in words is "twenty-two million, sixty-three thousand, eight hundred sixty-nine".