69220028 has 6 divisors (see below), whose sum is σ = 121135056. Its totient is φ = 34610012.

The previous prime is 69220003. The next prime is 69220031. The reversal of 69220028 is 82002296.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8652500 + ... + 8652507.

It is an arithmetic number, because the mean of its divisors is an integer number (20189176).

Almost surely, 2^69220028 is an apocalyptic number.

It is an amenable number.

69220028 is a deficient number, since it is larger than the sum of its proper divisors (51915028).

69220028 is a wasteful number, since it uses less digits than its factorization.

69220028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17305011 (or 17305009 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 69220028 is about 8319.8574507019. The cubic root of 69220028 is about 410.5921010797.

The spelling of 69220028 in words is "sixty-nine million, two hundred twenty thousand, twenty-eight".