133222254 has 32 divisors (see below), whose sum is σ = 293255424. Its totient is φ = 40010880.

The previous prime is 133222253. The next prime is 133222261. The reversal of 133222254 is 452222331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 16389.

It is an arithmetic number, because the mean of its divisors is an integer number (9164232).

Almost surely, 2^133222254 is an apocalyptic number.

133222254 is an abundant number, since it is smaller than the sum of its proper divisors (160033170).

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

133222254 is a wasteful number, since it uses less digits than its factorization.

133222254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992.

The product of its digits is 2880, while the sum is 24.

The square root of 133222254 is about 11542.1945053789. The cubic root of 133222254 is about 510.7310469460.

Adding to 133222254 its reverse (452222331), we get a palindrome (585444585).

It can be divided in two parts, 13322 and 2254, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 133222254 in words is "one hundred thirty-three million, two hundred twenty-two thousand, two hundred fifty-four".