200222401 has 4 divisors (see below), whose sum is σ = 200338372. Its totient is φ = 200106432.

The previous prime is 200222389. The next prime is 200222423. The reversal of 200222401 is 104222002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7568001 + 192654400 = 2751^2 + 13880^2 .

It is a cyclic number.

It is not a de Polignac number, because 200222401 - 2⁵ = 200222369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200222431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55356 + ... + 58861.

It is an arithmetic number, because the mean of its divisors is an integer number (50084593).

Almost surely, 2^200222401 is an apocalyptic number.

It is an amenable number.

200222401 is a deficient number, since it is larger than the sum of its proper divisors (115971).

200222401 is a wasteful number, since it uses less digits than its factorization.

200222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115970.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200222401 is about 14149.9965017664. The cubic root of 200222401 is about 585.0202354994.

Adding to 200222401 its reverse (104222002), we get a palindrome (304444403).

The spelling of 200222401 in words is "two hundred million, two hundred twenty-two thousand, four hundred one".