222358459401 has 81 divisors (see below), whose sum is σ = 354206528949. Its totient is φ = 134357513472.

The previous prime is 222358459387. The next prime is 222358459439. The reversal of 222358459401 is 104954853222.

The square root of 222358459401 is 471549.

It is a perfect power (a square), and thus also a powerful number.

222358459401 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 58 + 4 + 594 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 165933207801 + 56425251600 = 407349^2 + 237540^2 .

It is not a de Polignac number, because 222358459401 - 2¹⁷ = 222358328329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222358459201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1967773921 + ... + 1967774033.

Almost surely, 2^222358459401 is an apocalyptic number.

222358459401 is the 471549-th square number.

222358459401 is the 235775-th centered octagonal number.

It is an amenable number.

222358459401 is a deficient number, since it is larger than the sum of its proper divisors (131848069548).

222358459401 is a wasteful number, since it uses less digits than its factorization.

222358459401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 222358459401 in words is "two hundred twenty-two billion, three hundred fifty-eight million, four hundred fifty-nine thousand, four hundred one".