244155223201 has 24 divisors (see below), whose sum is σ = 275619784320. Its totient is φ = 215124742272.

The previous prime is 244155223181. The next prime is 244155223217. The reversal of 244155223201 is 102322551442.

It is a happy number.

It is not a de Polignac number, because 244155223201 - 2³⁷ = 106716269729 is a prime.

It is a super-2 number, since 2×244155223201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244155223261) 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, 722380 + ... + 1005058.

It is an arithmetic number, because the mean of its divisors is an integer number (11484157680).

Almost surely, 2^244155223201 is an apocalyptic number.

It is an amenable number.

244155223201 is a deficient number, since it is larger than the sum of its proper divisors (31464561119).

244155223201 is a wasteful number, since it uses less digits than its factorization.

244155223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282813 (or 282766 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 244155223201 its reverse (102322551442), we get a palindrome (346477774643).

The spelling of 244155223201 in words is "two hundred forty-four billion, one hundred fifty-five million, two hundred twenty-three thousand, two hundred one".