1042220235 has 16 divisors (see below), whose sum is σ = 1905774336. Its totient is φ = 476443488.

The previous prime is 1042220233. The next prime is 1042220251. The reversal of 1042220235 is 5320222401.

It is not a de Polignac number, because 1042220235 - 2¹ = 1042220233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1042220233) 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, 4962849 + ... + 4963058.

It is an arithmetic number, because the mean of its divisors is an integer number (119110896).

Almost surely, 2^1042220235 is an apocalyptic number.

1042220235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042220235 is a deficient number, since it is larger than the sum of its proper divisors (863554101).

1042220235 is an equidigital number, since it uses as much as digits as its factorization.

1042220235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925922.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1042220235 is about 32283.4359230860. The cubic root of 1042220235 is about 1013.8798695650.

Adding to 1042220235 its reverse (5320222401), we get a palindrome (6362442636).

The spelling of 1042220235 in words is "one billion, forty-two million, two hundred twenty thousand, two hundred thirty-five".