1226447242 has 32 divisors (see below), whose sum is σ = 1914074064. Its totient is φ = 589056000.

The previous prime is 1226447137. The next prime is 1226447263. The reversal of 1226447242 is 2427446221.

It can be written as a sum of positive squares in 8 ways, for example, as 1196537281 + 29909961 = 34591^2 + 5469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1226447198 and 1226447207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037892 + ... + 1039072.

Almost surely, 2^1226447242 is an apocalyptic number.

1226447242 is a deficient number, since it is larger than the sum of its proper divisors (687626822).

1226447242 is a wasteful number, since it uses less digits than its factorization.

1226447242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 43008, while the sum is 34.

The square root of 1226447242 is about 35020.6687828773. The cubic root of 1226447242 is about 1070.4086836667.

The spelling of 1226447242 in words is "one billion, two hundred twenty-six million, four hundred forty-seven thousand, two hundred forty-two".