133022430 has 24 divisors (see below), whose sum is σ = 345858552. Its totient is φ = 35472624.

The previous prime is 133022423. The next prime is 133022431. The reversal of 133022430 is 34220331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133022431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738924 + ... + 739103.

It is an arithmetic number, because the mean of its divisors is an integer number (14410773).

Almost surely, 2^133022430 is an apocalyptic number.

133022430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133022430 is an abundant number, since it is smaller than the sum of its proper divisors (212836122).

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

133022430 is a wasteful number, since it uses less digits than its factorization.

133022430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478040 (or 1478037 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 133022430 is about 11533.5350175044. The cubic root of 133022430 is about 510.4755656332.

Adding to 133022430 its reverse (34220331), we get a palindrome (167242761).

The spelling of 133022430 in words is "one hundred thirty-three million, twenty-two thousand, four hundred thirty".