69225552 has 180 divisors, whose sum is σ = 221899860. Its totient is φ = 20106240.

The previous prime is 69225551. The next prime is 69225553. The reversal of 69225552 is 25552296.

It is an interprime number because it is at equal distance from previous prime (69225551) and next prime (69225553).

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 30735936 = 6204^2 + 5544^2 .

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 (69225551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 505228 + ... + 505364.

It is an arithmetic number, because the mean of its divisors is an integer number (1232777).

Almost surely, 2^69225552 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 69225552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110949930).

69225552 is an abundant number, since it is smaller than the sum of its proper divisors (152674308).

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

69225552 is a wasteful number, since it uses less digits than its factorization.

69225552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 182 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 69225552 is about 8320.1894209207. The cubic root of 69225552 is about 410.6030230171.

It can be divided in two parts, 692 and 25552, that added together give a square (26244 = 162²).

The spelling of 69225552 in words is "sixty-nine million, two hundred twenty-five thousand, five hundred fifty-two".