69221140 has 48 divisors (see below), whose sum is σ = 151732224. Its totient is φ = 26496000.

The previous prime is 69221137. The next prime is 69221147. The reversal of 69221140 is 4112296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69221147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59565 + ... + 60715.

It is an arithmetic number, because the mean of its divisors is an integer number (3161088).

Almost surely, 2^69221140 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 69221140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75866112).

69221140 is an abundant number, since it is smaller than the sum of its proper divisors (82511084).

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

69221140 is a wasteful number, since it uses less digits than its factorization.

69221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 69221140 is about 8319.9242785016. The cubic root of 69221140 is about 410.5942997496.

The spelling of 69221140 in words is "sixty-nine million, two hundred twenty-one thousand, one hundred forty".