69222021 has 16 divisors (see below), whose sum is σ = 100984320. Its totient is φ = 41828720.

The previous prime is 69222017. The next prime is 69222059. The reversal of 69222021 is 12022296.

It is a cyclic number.

It is not a de Polignac number, because 69222021 - 2² = 69222017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69221982 and 69222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69222071) 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, 8926 + ... + 14768.

It is an arithmetic number, because the mean of its divisors is an integer number (6311520).

Almost surely, 2^69222021 is an apocalyptic number.

It is an amenable number.

69222021 is a deficient number, since it is larger than the sum of its proper divisors (31762299).

69222021 is a wasteful number, since it uses less digits than its factorization.

69222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 69222021 is about 8319.9772235265. The cubic root of 69222021 is about 410.5960416646.

The spelling of 69222021 in words is "sixty-nine million, two hundred twenty-two thousand, twenty-one".