1122042210 has 32 divisors (see below), whose sum is σ = 2779771392. Its totient is φ = 289559040.

The previous prime is 1122042199. The next prime is 1122042217. The reversal of 1122042210 is 122402211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122042210.

It is not an unprimeable number, because it can be changed into a prime (1122042217) 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, 602319 + ... + 604178.

It is an arithmetic number, because the mean of its divisors is an integer number (86867856).

Almost surely, 2^1122042210 is an apocalyptic number.

1122042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122042210 is an abundant number, since it is smaller than the sum of its proper divisors (1657729182).

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

1122042210 is a wasteful number, since it uses less digits than its factorization.

1122042210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206538.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1122042210 is about 33496.8985131460. The cubic root of 1122042210 is about 1039.1296373157.

Adding to 1122042210 its reverse (122402211), we get a palindrome (1244444421).

The spelling of 1122042210 in words is "one billion, one hundred twenty-two million, forty-two thousand, two hundred ten".