22278686241 has 8 divisors (see below), whose sum is σ = 33948474304. Its totient is φ = 12730677840.

The previous prime is 22278686239. The next prime is 22278686249. The reversal of 22278686241 is 14268687222.

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

It is not a de Polignac number, because 22278686241 - 2¹ = 22278686239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22278686249) 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, 530444890 + ... + 530444931.

It is an arithmetic number, because the mean of its divisors is an integer number (4243559288).

Almost surely, 2^22278686241 is an apocalyptic number.

22278686241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22278686241 is a deficient number, since it is larger than the sum of its proper divisors (11669788063).

22278686241 is a wasteful number, since it uses less digits than its factorization.

22278686241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060889831.

The product of its digits is 1032192, while the sum is 48.

The spelling of 22278686241 in words is "twenty-two billion, two hundred seventy-eight million, six hundred eighty-six thousand, two hundred forty-one".