1122257563 has 8 divisors (see below), whose sum is σ = 1306780128. Its totient is φ = 943785024.

The previous prime is 1122257537. The next prime is 1122257593. The reversal of 1122257563 is 3657522211.

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

It is not a de Polignac number, because 1122257563 - 2¹³ = 1122249371 is a prime.

It is a super-4 number, since 4×1122257563⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122257503) 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, 1512106 + ... + 1512847.

It is an arithmetic number, because the mean of its divisors is an integer number (163347516).

Almost surely, 2^1122257563 is an apocalyptic number.

1122257563 is a deficient number, since it is larger than the sum of its proper divisors (184522565).

1122257563 is an equidigital number, since it uses as much as digits as its factorization.

1122257563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025013.

The product of its digits is 25200, while the sum is 34.

The square root of 1122257563 is about 33500.1128804068. The cubic root of 1122257563 is about 1039.1961129401.

Adding to 1122257563 its reverse (3657522211), we get a palindrome (4779779774).

The spelling of 1122257563 in words is "one billion, one hundred twenty-two million, two hundred fifty-seven thousand, five hundred sixty-three".