22212101402 has 4 divisors (see below), whose sum is σ = 33318152106. Its totient is φ = 11106050700.

The previous prime is 22212101393. The next prime is 22212101407. The reversal of 22212101402 is 20410121222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22144713721 + 67387681 = 148811^2 + 8209^2 .

It is not an unprimeable number, because it can be changed into a prime (22212101407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553025349 + ... + 5553025352.

Almost surely, 2^22212101402 is an apocalyptic number.

22212101402 is a deficient number, since it is larger than the sum of its proper divisors (11106050704).

22212101402 is a wasteful number, since it uses less digits than its factorization.

22212101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106050703.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22212101402 its reverse (20410121222), we get a palindrome (42622222624).

The spelling of 22212101402 in words is "twenty-two billion, two hundred twelve million, one hundred one thousand, four hundred two".