1226011358 has 16 divisors (see below), whose sum is σ = 2160524016. Its totient is φ = 514410240.

The previous prime is 1226011307. The next prime is 1226011363. The reversal of 1226011358 is 8531106221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226011358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143091 + ... + 2143662.

It is an arithmetic number, because the mean of its divisors is an integer number (135032751).

Almost surely, 2^1226011358 is an apocalyptic number.

1226011358 is a deficient number, since it is larger than the sum of its proper divisors (934512658).

1226011358 is a wasteful number, since it uses less digits than its factorization.

1226011358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286779.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1226011358 is about 35014.4449906035. Note that the first 3 decimals coincide. The cubic root of 1226011358 is about 1070.2818595393.

Adding to 1226011358 its reverse (8531106221), we get a palindrome (9757117579).

The spelling of 1226011358 in words is "one billion, two hundred twenty-six million, eleven thousand, three hundred fifty-eight".