201222623232 has 312 divisors, whose sum is σ = 617604807456. Its totient is φ = 62905909248.

The previous prime is 201222623183. The next prime is 201222623237. The reversal of 201222623232 is 232326222102.

201222623232 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 2 + 2 + 623 + 2 + 32 = 666.

It is a super-2 number, since 2×201222623232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201222623196 and 201222623205.

It is not an unprimeable number, because it can be changed into a prime (201222623237) 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, 342798043 + ... + 342798629.

It is an arithmetic number, because the mean of its divisors is an integer number (1979502588).

Almost surely, 2^201222623232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201222623232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308802403728).

201222623232 is an abundant number, since it is smaller than the sum of its proper divisors (416382184224).

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

201222623232 is a wasteful number, since it uses less digits than its factorization.

201222623232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201222623232 its reverse (232326222102), we get a palindrome (433548845334).

The spelling of 201222623232 in words is "two hundred one billion, two hundred twenty-two million, six hundred twenty-three thousand, two hundred thirty-two".