1042220442 has 8 divisors (see below), whose sum is σ = 2084440896. Its totient is φ = 347406812.

The previous prime is 1042220437. The next prime is 1042220467. The reversal of 1042220442 is 2440222401.

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

1042220442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86851698 + ... + 86851709.

It is an arithmetic number, because the mean of its divisors is an integer number (260555112).

Almost surely, 2^1042220442 is an apocalyptic number.

1042220442 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.

1042220442 is a wasteful number, since it uses less digits than its factorization.

1042220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173703412.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1042220442 is about 32283.4391290643. The cubic root of 1042220442 is about 1013.8799366887.

Adding to 1042220442 its reverse (2440222401), we get a palindrome (3482442843).

The spelling of 1042220442 in words is "one billion, forty-two million, two hundred twenty thousand, four hundred forty-two".