69772223 has 2 divisors, whose sum is σ = 69772224. Its totient is φ = 69772222.

The previous prime is 69772217. The next prime is 69772243. The reversal of 69772223 is 32227796.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69772223 - 2¹⁴ = 69755839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69772243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34886111 + 34886112.

It is an arithmetic number, because the mean of its divisors is an integer number (34886112).

Almost surely, 2^69772223 is an apocalyptic number.

69772223 is a deficient number, since it is larger than the sum of its proper divisors (1).

69772223 is an equidigital number, since it uses as much as digits as its factorization.

69772223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 69772223 is about 8352.9768944970. The cubic root of 69772223 is about 411.6810280540.

The spelling of 69772223 in words is "sixty-nine million, seven hundred seventy-two thousand, two hundred twenty-three".