222144401535 has 48 divisors (see below), whose sum is σ = 423545062752. Its totient is φ = 99074841600.

The previous prime is 222144401483. The next prime is 222144401537. The reversal of 222144401535 is 535104441222.

It is not a de Polignac number, because 222144401535 - 2²¹ = 222142304383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222144401496 and 222144401505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222144401537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3655686 + ... + 3715955.

It is an arithmetic number, because the mean of its divisors is an integer number (8823855474).

Almost surely, 2^222144401535 is an apocalyptic number.

222144401535 is a deficient number, since it is larger than the sum of its proper divisors (201400661217).

222144401535 is a wasteful number, since it uses less digits than its factorization.

222144401535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371704 (or 7371697 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 222144401535 its reverse (535104441222), we get a palindrome (757248842757).

The spelling of 222144401535 in words is "two hundred twenty-two billion, one hundred forty-four million, four hundred one thousand, five hundred thirty-five".