1050225421 has 16 divisors (see below), whose sum is σ = 1231718400. Its totient is φ = 876719088.

The previous prime is 1050225419. The next prime is 1050225431. The reversal of 1050225421 is 1245220501.

It is not a de Polignac number, because 1050225421 - 2¹ = 1050225419 is a prime.

It is a super-2 number, since 2×1050225421² = 2205946869829254482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050225392 and 1050225401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050225431) 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, 103200 + ... + 112918.

It is an arithmetic number, because the mean of its divisors is an integer number (76982400).

Almost surely, 2^1050225421 is an apocalyptic number.

It is an amenable number.

1050225421 is a deficient number, since it is larger than the sum of its proper divisors (181492979).

1050225421 is an equidigital number, since it uses as much as digits as its factorization.

1050225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1050225421 is about 32407.1816269172. The cubic root of 1050225421 is about 1016.4690871923.

Adding to 1050225421 its reverse (1245220501), we get a palindrome (2295445922).

The spelling of 1050225421 in words is "one billion, fifty million, two hundred twenty-five thousand, four hundred twenty-one".