200622472281 has 135 divisors (see below), whose sum is σ = 372939433503. Its totient is φ = 103843222560.

The previous prime is 200622472241. The next prime is 200622472331. The reversal of 200622472281 is 182274226002.

The square root of 200622472281 is 447909.

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

200622472281 is a `hidden beast` number, since 2 + 0 + 0 + 622 + 4 + 7 + 2 + 28 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34579262025 + 166043210256 = 185955^2 + 407484^2 .

It is not a de Polignac number, because 200622472281 - 2⁹ = 200622471769 is a prime.

It is a super-2 number, since 2×200622472281² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200622472241) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 724268715 + ... + 724268991.

Almost surely, 2^200622472281 is an apocalyptic number.

200622472281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200622472281 is the 447909-th square number.

200622472281 is the 223955-th centered octagonal number.

It is an amenable number.

200622472281 is a deficient number, since it is larger than the sum of its proper divisors (172316961222).

200622472281 is an frugal number, since it uses more digits than its factorization.

200622472281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

Multiplying 200622472281 by its sum of digits (36), we get a square (7222409002116 = 2687454²).

Adding to 200622472281 its reverse (182274226002), we get a palindrome (382896698283).

The spelling of 200622472281 in words is "two hundred billion, six hundred twenty-two million, four hundred seventy-two thousand, two hundred eighty-one".