22425214534402 has 4 divisors (see below), whose sum is σ = 33637821801606. Its totient is φ = 11212607267200.

The previous prime is 22425214534367. The next prime is 22425214534441. The reversal of 22425214534402 is 20443541252422.

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., 13075752513681 + 9349462020721 = 3616041^2 + 3057689^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606303633599 + ... + 5606303633602.

Almost surely, 2^{22425214534402} is an apocalyptic number.

22425214534402 is a deficient number, since it is larger than the sum of its proper divisors (11212607267204).

22425214534402 is a wasteful number, since it uses less digits than its factorization.

22425214534402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212607267203.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 22425214534402 its reverse (20443541252422), we get a palindrome (42868755786824).

The spelling of 22425214534402 in words is "twenty-two trillion, four hundred twenty-five billion, two hundred fourteen million, five hundred thirty-four thousand, four hundred two".