69426229 has 2 divisors, whose sum is σ = 69426230. Its totient is φ = 69426228.

The previous prime is 69426197. The next prime is 69426277. The reversal of 69426229 is 92262496.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 19158129 = 7090^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 69426229 - 2⁵ = 69426197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69426191 and 69426200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69426299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34713114 + 34713115.

It is an arithmetic number, because the mean of its divisors is an integer number (34713115).

Almost surely, 2^69426229 is an apocalyptic number.

It is an amenable number.

69426229 is a deficient number, since it is larger than the sum of its proper divisors (1).

69426229 is an equidigital number, since it uses as much as digits as its factorization.

69426229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 69426229 is about 8332.2403349879. The cubic root of 69426229 is about 410.9994040598. Note that the first 3 decimals are identical.

The spelling of 69426229 in words is "sixty-nine million, four hundred twenty-six thousand, two hundred twenty-nine".