22948212890 has 32 divisors (see below), whose sum is σ = 42798687120. Its totient is φ = 8852143104.

The previous prime is 22948212887. The next prime is 22948212971. The reversal of 22948212890 is 9821284922.

It can be written as a sum of positive squares in 8 ways, for example, as 14541706921 + 8406505969 = 120589^2 + 91687^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232625 + ... + 316244.

Almost surely, 2^22948212890 is an apocalyptic number.

22948212890 is a deficient number, since it is larger than the sum of its proper divisors (19850474230).

22948212890 is a wasteful number, since it uses less digits than its factorization.

22948212890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549026.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 22948212890 in words is "twenty-two billion, nine hundred forty-eight million, two hundred twelve thousand, eight hundred ninety".