22456667890 has 16 divisors (see below), whose sum is σ = 41514489432. Its totient is φ = 8739892224.

The previous prime is 22456667861. The next prime is 22456667903. The reversal of 22456667890 is 9876665422.

It can be written as a sum of positive squares in 4 ways, for example, as 22159001881 + 297666009 = 148859^2 + 17253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30346479 + ... + 30347218.

Almost surely, 2^22456667890 is an apocalyptic number.

22456667890 is a deficient number, since it is larger than the sum of its proper divisors (19057821542).

22456667890 is a wasteful number, since it uses less digits than its factorization.

22456667890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60693741.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 22456667890 in words is "twenty-two billion, four hundred fifty-six million, six hundred sixty-seven thousand, eight hundred ninety".