1029447226 has 32 divisors (see below), whose sum is σ = 1613460240. Its totient is φ = 492189696.

The previous prime is 1029447217. The next prime is 1029447233. The reversal of 1029447226 is 6227449201.

It is a Cunningham number, because it is equal to 32085²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 936421201 + 93026025 = 30601^2 + 9645^2 .

It is a super-2 number, since 2×1029447226² = 2119523182238190152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241380 + ... + 1242208.

Almost surely, 2^1029447226 is an apocalyptic number.

1029447226 is a deficient number, since it is larger than the sum of its proper divisors (584013014).

1029447226 is a wasteful number, since it uses less digits than its factorization.

1029447226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1029447226 is about 32085.0000155836. Note that the first 4 decimals coincide. The cubic root of 1029447226 is about 1009.7209391434.

The spelling of 1029447226 in words is "one billion, twenty-nine million, four hundred forty-seven thousand, two hundred twenty-six".