22222781043 has 8 divisors (see below), whose sum is σ = 29631622800. Its totient is φ = 14814563328.

The previous prime is 22222781029. The next prime is 22222781047. The reversal of 22222781043 is 34018722222.

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

It is not a de Polignac number, because 22222781043 - 2¹⁷ = 22222649971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22222780995 and 22222781013.

It is not an unprimeable number, because it can be changed into a prime (22222781047) 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, 65398 + ... + 220731.

It is an arithmetic number, because the mean of its divisors is an integer number (3703952850).

Almost surely, 2^22222781043 is an apocalyptic number.

22222781043 is a deficient number, since it is larger than the sum of its proper divisors (7408841757).

22222781043 is a wasteful number, since it uses less digits than its factorization.

22222781043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312021.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 22222781043 in words is "twenty-two billion, two hundred twenty-two million, seven hundred eighty-one thousand, forty-three".