1122223001 has 8 divisors (see below), whose sum is σ = 1135807080. Its totient is φ = 1108703232.

The previous prime is 1122222979. The next prime is 1122223009. The reversal of 1122223001 is 1003222211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40000 + 1122183001 = 200^2 + 33499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122223001 - 2¹⁸ = 1121960857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122223009) 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, 19505 + ... + 51233.

It is an arithmetic number, because the mean of its divisors is an integer number (141975885).

Almost surely, 2^1122223001 is an apocalyptic number.

It is an amenable number.

1122223001 is a deficient number, since it is larger than the sum of its proper divisors (13584079).

1122223001 is a wasteful number, since it uses less digits than its factorization.

1122223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32155.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1122223001 is about 33499.5970274271. The cubic root of 1122223001 is about 1039.1854448410.

Adding to 1122223001 its reverse (1003222211), we get a palindrome (2125445212).

The spelling of 1122223001 in words is "one billion, one hundred twenty-two million, two hundred twenty-three thousand, one".