22151463 has 8 divisors (see below), whose sum is σ = 29563248. Its totient is φ = 14753664.

The previous prime is 22151449. The next prime is 22151471. The reversal of 22151463 is 36415122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22151463 - 2⁵ = 22151431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (3695406).

Almost surely, 2^22151463 is an apocalyptic number.

22151463 is a deficient number, since it is larger than the sum of its proper divisors (7411785).

22151463 is a wasteful number, since it uses less digits than its factorization.

22151463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993.

The product of its digits is 1440, while the sum is 24.

The square root of 22151463 is about 4706.5340750918. The cubic root of 22151463 is about 280.8455012871.

Adding to 22151463 its reverse (36415122), we get a palindrome (58566585).

The spelling of 22151463 in words is "twenty-two million, one hundred fifty-one thousand, four hundred sixty-three".