1053244221 has 16 divisors (see below), whose sum is σ = 1487261184. Its totient is φ = 661606704.

The previous prime is 1053244217. The next prime is 1053244237. The reversal of 1053244221 is 1224423501.

It is not a de Polignac number, because 1053244221 - 2² = 1053244217 is a prime.

It is a super-2 number, since 2×1053244221² = 2218646778139793682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053244191 and 1053244200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053244211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109291 + ... + 118536.

It is an arithmetic number, because the mean of its divisors is an integer number (92953824).

Almost surely, 2^1053244221 is an apocalyptic number.

It is an amenable number.

1053244221 is a deficient number, since it is larger than the sum of its proper divisors (434016963).

1053244221 is a wasteful number, since it uses less digits than its factorization.

1053244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227920.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1053244221 is about 32453.7243009181. The cubic root of 1053244221 is about 1017.4420787760.

Adding to 1053244221 its reverse (1224423501), we get a palindrome (2277667722).

The spelling of 1053244221 in words is "one billion, fifty-three million, two hundred forty-four thousand, two hundred twenty-one".