1051452220 has 48 divisors (see below), whose sum is σ = 2717604288. Its totient is φ = 332766720.

The previous prime is 1051452197. The next prime is 1051452223. The reversal of 1051452220 is 222541501.

It is a super-2 number, since 2×1051452220² = 2211103541885856800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051452191 and 1051452200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051452223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287041 + ... + 290680.

It is an arithmetic number, because the mean of its divisors is an integer number (56616756).

Almost surely, 2^1051452220 is an apocalyptic number.

1051452220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051452220 is an abundant number, since it is smaller than the sum of its proper divisors (1666152068).

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

1051452220 is a wasteful number, since it uses less digits than its factorization.

1051452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577750 (or 577748 counting only the distinct ones).

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

The square root of 1051452220 is about 32426.1039904581. The cubic root of 1051452220 is about 1016.8647222614.

Adding to 1051452220 its reverse (222541501), we get a palindrome (1273993721).

The spelling of 1051452220 in words is "one billion, fifty-one million, four hundred fifty-two thousand, two hundred twenty".