133422023444 has 6 divisors (see below), whose sum is σ = 233488541034. Its totient is φ = 66711011720.

The previous prime is 133422023429. The next prime is 133422023447. The reversal of 133422023444 is 444320224331.

It can be written as a sum of positive squares in only one way, i.e., 69432250000 + 63989773444 = 263500^2 + 252962^2 .

It is a super-2 number, since 2×133422023444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133422023444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133422023447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16677752927 + ... + 16677752934.

It is an arithmetic number, because the mean of its divisors is an integer number (38914756839).

Almost surely, 2^133422023444 is an apocalyptic number.

It is an amenable number.

133422023444 is a deficient number, since it is larger than the sum of its proper divisors (100066517590).

133422023444 is a wasteful number, since it uses less digits than its factorization.

133422023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33355505865 (or 33355505863 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 133422023444 its reverse (444320224331), we get a palindrome (577742247775).

The spelling of 133422023444 in words is "one hundred thirty-three billion, four hundred twenty-two million, twenty-three thousand, four hundred forty-four".