2223205402 has 16 divisors (see below), whose sum is σ = 3726705024. Its totient is φ = 985900000.

The previous prime is 2223205367. The next prime is 2223205441. The reversal of 2223205402 is 2045023222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231474 + ... + 1233277.

It is an arithmetic number, because the mean of its divisors is an integer number (232919064).

Almost surely, 2^2223205402 is an apocalyptic number.

2223205402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2223205402 is a deficient number, since it is larger than the sum of its proper divisors (1503499622).

2223205402 is a wasteful number, since it uses less digits than its factorization.

2223205402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464805.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2223205402 is about 47150.8791222391. The cubic root of 2223205402 is about 1305.1483029494.

Adding to 2223205402 its reverse (2045023222), we get a palindrome (4268228624).

It can be divided in two parts, 222320 and 5402, that added together give a palindrome (227722).

The spelling of 2223205402 in words is "two billion, two hundred twenty-three million, two hundred five thousand, four hundred two".