67225284 has 36 divisors (see below), whose sum is σ = 194207104. Its totient is φ = 19207152.

The previous prime is 67225283. The next prime is 67225303. The reversal of 67225284 is 48252276.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67225283) 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, 133132 + ... + 133635.

Almost surely, 2^67225284 is an apocalyptic number.

It is an amenable number.

67225284 is an abundant number, since it is smaller than the sum of its proper divisors (126981820).

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

67225284 is a wasteful number, since it uses less digits than its factorization.

67225284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266784 (or 266779 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 67225284 is about 8199.1026338252. The cubic root of 67225284 is about 406.6095255496.

The spelling of 67225284 in words is "sixty-seven million, two hundred twenty-five thousand, two hundred eighty-four".