22303142402 has 6 divisors (see below), whose sum is σ = 33455030409. Its totient is φ = 11151465600.

The previous prime is 22303142387. The next prime is 22303142423. The reversal of 22303142402 is 20424130322.

It can be written as a sum of positive squares in 2 ways, for example, as 14532543601 + 7770598801 = 120551^2 + 88151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105601.

It is a super-2 number, since 2×22303142402² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158402 + ... + 264002.

Almost surely, 2^22303142402 is an apocalyptic number.

22303142402 is a deficient number, since it is larger than the sum of its proper divisors (11151888007).

22303142402 is an frugal number, since it uses more digits than its factorization.

22303142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211204 (or 105603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22303142402 its reverse (20424130322), we get a palindrome (42727272724).

The spelling of 22303142402 in words is "twenty-two billion, three hundred three million, one hundred forty-two thousand, four hundred two".