200222240421 has 16 divisors (see below), whose sum is σ = 305106902528. Its totient is φ = 114410329200.

The previous prime is 200222240417. The next prime is 200222240429. The reversal of 200222240421 is 124042222002.

It is not a de Polignac number, because 200222240421 - 2² = 200222240417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222240429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662366 + ... + 1778736.

It is an arithmetic number, because the mean of its divisors is an integer number (19069181408).

Almost surely, 2^200222240421 is an apocalyptic number.

200222240421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200222240421 is a deficient number, since it is larger than the sum of its proper divisors (104884662107).

200222240421 is a wasteful number, since it uses less digits than its factorization.

200222240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198312.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 200222240421 its reverse (124042222002), we get a palindrome (324264462423).

The spelling of 200222240421 in words is "two hundred billion, two hundred twenty-two million, two hundred forty thousand, four hundred twenty-one".