22351402542 has 16 divisors (see below), whose sum is σ = 51088920192. Its totient is φ = 6386115000.

The previous prime is 22351402517. The next prime is 22351402589. The reversal of 22351402542 is 24520415322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266088084 + ... + 266088167.

It is an arithmetic number, because the mean of its divisors is an integer number (3193057512).

Almost surely, 2^22351402542 is an apocalyptic number.

22351402542 is an abundant number, since it is smaller than the sum of its proper divisors (28737517650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22351402542 is a wasteful number, since it uses less digits than its factorization.

22351402542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532176263.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22351402542 its reverse (24520415322), we get a palindrome (46871817864).

The spelling of 22351402542 in words is "twenty-two billion, three hundred fifty-one million, four hundred two thousand, five hundred forty-two".