738531222 has 32 divisors (see below), whose sum is σ = 1735292160. Its totient is φ = 206581920.

The previous prime is 738531217. The next prime is 738531229. The reversal of 738531222 is 222135837.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738531229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429522 + ... + 431237.

It is an arithmetic number, because the mean of its divisors is an integer number (54227880).

Almost surely, 2^738531222 is an apocalyptic number.

738531222 is an abundant number, since it is smaller than the sum of its proper divisors (996760938).

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

738531222 is a wasteful number, since it uses less digits than its factorization.

738531222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860788.

The product of its digits is 20160, while the sum is 33.

The square root of 738531222 is about 27175.9309316167. The cubic root of 738531222 is about 903.9053427333.

The spelling of 738531222 in words is "seven hundred thirty-eight million, five hundred thirty-one thousand, two hundred twenty-two".