133222412 has 24 divisors (see below), whose sum is σ = 237377952. Its totient is φ = 65408000.

The previous prime is 133222403. The next prime is 133222429. The reversal of 133222412 is 214222331.

It is a super-2 number, since 2×133222412² = 35496422118195488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82412 + ... + 84012.

It is an arithmetic number, because the mean of its divisors is an integer number (9890748).

Almost surely, 2^133222412 is an apocalyptic number.

It is an amenable number.

133222412 is a deficient number, since it is larger than the sum of its proper divisors (104155540).

133222412 is a wasteful number, since it uses less digits than its factorization.

133222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1967 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 133222412 is about 11542.2013498292. The cubic root of 133222412 is about 510.7312488529.

Adding to 133222412 its reverse (214222331), we get a palindrome (347444743).

The spelling of 133222412 in words is "one hundred thirty-three million, two hundred twenty-two thousand, four hundred twelve".