222313403421 has 6 divisors (see below), whose sum is σ = 321119360510. Its totient is φ = 148208935608.

The previous prime is 222313403393. The next prime is 222313403437. The reversal of 222313403421 is 124304313222.

222313403421 is a `hidden beast` number, since 2 + 2 + 2 + 313 + 4 + 0 + 342 + 1 = 666.

222313403421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148540868100 + 73772535321 = 385410^2 + 271611^2 .

It is not a de Polignac number, because 222313403421 - 2³⁴ = 205133534237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222313403461) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12350744626 + ... + 12350744643.

Almost surely, 2^222313403421 is an apocalyptic number.

It is an amenable number.

222313403421 is a deficient number, since it is larger than the sum of its proper divisors (98805957089).

222313403421 is a wasteful number, since it uses less digits than its factorization.

222313403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24701489275 (or 24701489272 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 222313403421 its reverse (124304313222), we get a palindrome (346617716643).

The spelling of 222313403421 in words is "two hundred twenty-two billion, three hundred thirteen million, four hundred three thousand, four hundred twenty-one".