22222804557 has 8 divisors (see below), whose sum is σ = 29633524960. Its totient is φ = 14813643600.

The previous prime is 22222804523. The next prime is 22222804559. The reversal of 22222804557 is 75540822222.

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

It is not a de Polignac number, because 22222804557 - 2¹⁵ = 22222771789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222804559) 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, 356194 + ... + 413907.

It is an arithmetic number, because the mean of its divisors is an integer number (3704190620).

Almost surely, 2^22222804557 is an apocalyptic number.

It is an amenable number.

22222804557 is a deficient number, since it is larger than the sum of its proper divisors (7410720403).

22222804557 is an equidigital number, since it uses as much as digits as its factorization.

22222804557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779723.

The product of its (nonzero) digits is 179200, while the sum is 39.

The spelling of 22222804557 in words is "twenty-two billion, two hundred twenty-two million, eight hundred four thousand, five hundred fifty-seven".