222001421440200 has 96 divisors (see below), whose sum is σ = 688224459595200. Its totient is φ = 59198654050560.

The previous prime is 222001421440181. The next prime is 222001421440207. The reversal of 222001421440200 is 2044124100222.

It is a happy number.

It is a super-2 number, since 2×222001421440200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (222001421440207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15283989 + ... + 26030811.

It is an arithmetic number, because the mean of its divisors is an integer number (7169004787450).

Almost surely, 2^{222001421440200} is an apocalyptic number.

222001421440200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001421440200 is an abundant number, since it is smaller than the sum of its proper divisors (466223038155000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222001421440200 is a wasteful number, since it uses less digits than its factorization.

222001421440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781271 (or 10781262 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222001421440200 its reverse (2044124100222), we get a palindrome (224045545540422).

The spelling of 222001421440200 in words is "two hundred twenty-two trillion, one billion, four hundred twenty-one million, four hundred forty thousand, two hundred".