1051223442 has 8 divisors (see below), whose sum is σ = 2102446896. Its totient is φ = 350407812.

The previous prime is 1051223429. The next prime is 1051223447. The reversal of 1051223442 is 2443221501.

1051223442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

1051223442 is an admirable number.

It is a super-2 number, since 2×1051223442² = 2210141450020654728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051223447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87601948 + ... + 87601959.

It is an arithmetic number, because the mean of its divisors is an integer number (262805862).

Almost surely, 2^1051223442 is an apocalyptic number.

1051223442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1051223442 is a wasteful number, since it uses less digits than its factorization.

1051223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175203912.

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

The square root of 1051223442 is about 32422.5761160337. The cubic root of 1051223442 is about 1016.7909661275.

Adding to 1051223442 its reverse (2443221501), we get a palindrome (3494444943).

The spelling of 1051223442 in words is "one billion, fifty-one million, two hundred twenty-three thousand, four hundred forty-two".