4012226740 has 24 divisors (see below), whose sum is σ = 8436665160. Its totient is φ = 1602797568.

The previous prime is 4012226693. The next prime is 4012226741. The reversal of 4012226740 is 476222104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1116495396 + 2895731344 = 33414^2 + 53812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4012226699 and 4012226708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012226741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115057 + ... + 145816.

It is an arithmetic number, because the mean of its divisors is an integer number (351527715).

Almost surely, 2^4012226740 is an apocalyptic number.

It is an amenable number.

4012226740 is an abundant number, since it is smaller than the sum of its proper divisors (4424438420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012226740 is a wasteful number, since it uses less digits than its factorization.

4012226740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261651 (or 261649 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4012226740 is about 63342.1403174853. The cubic root of 4012226740 is about 1589.0168018002.

Adding to 4012226740 its reverse (476222104), we get a palindrome (4488448844).

The spelling of 4012226740 in words is "four billion, twelve million, two hundred twenty-six thousand, seven hundred forty".