22402310402 has 4 divisors (see below), whose sum is σ = 33603465606. Its totient is φ = 11201155200.

The previous prime is 22402310389. The next prime is 22402310419. The reversal of 22402310402 is 20401320422.

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., 19844075161 + 2558235241 = 140869^2 + 50579^2 .

It is a super-2 number, since 2×22402310402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600577599 + ... + 5600577602.

Almost surely, 2^22402310402 is an apocalyptic number.

22402310402 is a deficient number, since it is larger than the sum of its proper divisors (11201155204).

22402310402 is a wasteful number, since it uses less digits than its factorization.

22402310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201155203.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22402310402 its reverse (20401320422), we get a palindrome (42803630824).

The spelling of 22402310402 in words is "twenty-two billion, four hundred two million, three hundred ten thousand, four hundred two".