354444229 has 2 divisors, whose sum is σ = 354444230. Its totient is φ = 354444228.

The previous prime is 354444217. The next prime is 354444247. The reversal of 354444229 is 922444453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181521729 + 172922500 = 13473^2 + 13150^2 .

It is a cyclic number.

It is not a de Polignac number, because 354444229 - 2⁵ = 354444197 is a prime.

It is a super-2 number, since 2×354444229² = 251261422942808882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354444269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222114 + 177222115.

It is an arithmetic number, because the mean of its divisors is an integer number (177222115).

Almost surely, 2^354444229 is an apocalyptic number.

It is an amenable number.

354444229 is a deficient number, since it is larger than the sum of its proper divisors (1).

354444229 is an equidigital number, since it uses as much as digits as its factorization.

354444229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The square root of 354444229 is about 18826.6892734756. The cubic root of 354444229 is about 707.7001753503.

The spelling of 354444229 in words is "three hundred fifty-four million, four hundred forty-four thousand, two hundred twenty-nine".