1007223557 has 4 divisors (see below), whose sum is σ = 1007291616. Its totient is φ = 1007155500.

The previous prime is 1007223533. The next prime is 1007223617. The reversal of 1007223557 is 7553227001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7553227001 = 53 ⋅142513717.

It is a cyclic number.

It is not a de Polignac number, because 1007223557 - 2¹⁶ = 1007158021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007223517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403 + ... + 44904.

It is an arithmetic number, because the mean of its divisors is an integer number (251822904).

Almost surely, 2^1007223557 is an apocalyptic number.

It is an amenable number.

1007223557 is a deficient number, since it is larger than the sum of its proper divisors (68059).

1007223557 is an equidigital number, since it uses as much as digits as its factorization.

1007223557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68058.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 1007223557 is about 31736.7855492644. The cubic root of 1007223557 is about 1002.4020777359.

The spelling of 1007223557 in words is "one billion, seven million, two hundred twenty-three thousand, five hundred fifty-seven".