22431402248 has 8 divisors (see below), whose sum is σ = 42058879230. Its totient is φ = 11215701120.

The previous prime is 22431402209. The next prime is 22431402263. The reversal of 22431402248 is 84220413422.

It can be written as a sum of positive squares in only one way, i.e., 14907921604 + 7523480644 = 122098^2 + 86738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401962633 + ... + 1401962648.

Almost surely, 2^22431402248 is an apocalyptic number.

It is an amenable number.

22431402248 is a deficient number, since it is larger than the sum of its proper divisors (19627476982).

22431402248 is a wasteful number, since it uses less digits than its factorization.

22431402248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803925287 (or 2803925283 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 22431402248 in words is "twenty-two billion, four hundred thirty-one million, four hundred two thousand, two hundred forty-eight".