1114221520 has 40 divisors (see below), whose sum is σ = 2604911400. Its totient is φ = 443220480.

The previous prime is 1114221517. The next prime is 1114221523. The reversal of 1114221520 is 251224111.

It is an interprime number because it is at equal distance from previous prime (1114221517) and next prime (1114221523).

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 1108090944 = 2476^2 + 33288^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1114221520² = 2482979191262220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114221523) 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, 23995 + ... + 52954.

It is an arithmetic number, because the mean of its divisors is an integer number (65122785).

Almost surely, 2^1114221520 is an apocalyptic number.

1114221520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1114221520 is an abundant number, since it is smaller than the sum of its proper divisors (1490689880).

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

1114221520 is a wasteful number, since it uses less digits than its factorization.

1114221520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77143 (or 77137 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1114221520 is about 33379.9568603676. The cubic root of 1114221520 is about 1036.7097445709.

Adding to 1114221520 its reverse (251224111), we get a palindrome (1365445631).

The spelling of 1114221520 in words is "one billion, one hundred fourteen million, two hundred twenty-one thousand, five hundred twenty".