67223552 has 60 divisors (see below), whose sum is σ = 147058296. Its totient is φ = 30474240.

The previous prime is 67223551. The next prime is 67223591. The reversal of 67223552 is 25532276.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67223551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180038 + ... + 180410.

Almost surely, 2^67223552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67223552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73529148).

67223552 is an abundant number, since it is smaller than the sum of its proper divisors (79834744).

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

67223552 is an equidigital number, since it uses as much as digits as its factorization.

67223552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 386 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 67223552 is about 8198.9970118302. The cubic root of 67223552 is about 406.6060335413.

The spelling of 67223552 in words is "sixty-seven million, two hundred twenty-three thousand, five hundred fifty-two".