1155226026 has 16 divisors (see below), whose sum is σ = 2310800544. Its totient is φ = 385017264.

The previous prime is 1155226021. The next prime is 1155226069. The reversal of 1155226026 is 6206225511.

It is a super-2 number, since 2×1155226026² = 2669094342295505352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155225984 and 1155226002.

It is not an unprimeable number, because it can be changed into a prime (1155226021) 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, 52060 + ... + 70856.

It is an arithmetic number, because the mean of its divisors is an integer number (144425034).

Almost surely, 2^1155226026 is an apocalyptic number.

1155226026 is an abundant number, since it is smaller than the sum of its proper divisors (1155574518).

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

1155226026 is a wasteful number, since it uses less digits than its factorization.

1155226026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29045.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1155226026 is about 33988.6161236376. The cubic root of 1155226026 is about 1049.2741850156.

The spelling of 1155226026 in words is "one billion, one hundred fifty-five million, two hundred twenty-six thousand, twenty-six".