22402233447 has 8 divisors (see below), whose sum is σ = 32585066880. Its totient is φ = 13577111160.

The previous prime is 22402233409. The next prime is 22402233487. The reversal of 22402233447 is 74433220422.

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

It is not a de Polignac number, because 22402233447 - 2⁷ = 22402233319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 678855559 = 22402233447 / (2 + 2 + 4 + 0 + 2 + 2 + 3 + 3 + 4 + 4 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402233407) 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, 339427747 + ... + 339427812.

It is an arithmetic number, because the mean of its divisors is an integer number (4073133360).

Almost surely, 2^22402233447 is an apocalyptic number.

22402233447 is a deficient number, since it is larger than the sum of its proper divisors (10182833433).

22402233447 is a wasteful number, since it uses less digits than its factorization.

22402233447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678855573.

The product of its (nonzero) digits is 64512, while the sum is 33.

Adding to 22402233447 its reverse (74433220422), we get a palindrome (96835453869).

The spelling of 22402233447 in words is "twenty-two billion, four hundred two million, two hundred thirty-three thousand, four hundred forty-seven".