5211226449 has 160 divisors (see below), whose sum is σ = 9866723328. Its totient is φ = 2694384000.

The previous prime is 5211226421. The next prime is 5211226451. The reversal of 5211226449 is 9446221125.

It is a happy number.

5211226449 is a `hidden beast` number, since 5 + 2 + 1 + 1 + 2 + 2 + 644 + 9 = 666.

It is not a de Polignac number, because 5211226449 - 2⁵ = 5211226417 is a prime.

It is a super-2 number, since 2×5211226449² = 54313762205514299202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5211226499) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8258364 + ... + 8258994.

Almost surely, 2^5211226449 is an apocalyptic number.

It is an amenable number.

5211226449 is a deficient number, since it is larger than the sum of its proper divisors (4655496879).

5211226449 is a wasteful number, since it uses less digits than its factorization.

5211226449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 712 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5211226449 is about 72188.8249592691. The cubic root of 5211226449 is about 1733.7240823654.

The spelling of 5211226449 in words is "five billion, two hundred eleven million, two hundred twenty-six thousand, four hundred forty-nine".