22031012342 has 16 divisors (see below), whose sum is σ = 33991089072. Its totient is φ = 10701551520.

The previous prime is 22031012273. The next prime is 22031012347. The reversal of 22031012342 is 24321013022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031012347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176288 + ... + 274115.

It is an arithmetic number, because the mean of its divisors is an integer number (2124443067).

Almost surely, 2^22031012342 is an apocalyptic number.

22031012342 is a deficient number, since it is larger than the sum of its proper divisors (11960076730).

22031012342 is a wasteful number, since it uses less digits than its factorization.

22031012342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451103.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22031012342 its reverse (24321013022), we get a palindrome (46352025364).

The spelling of 22031012342 in words is "twenty-two billion, thirty-one million, twelve thousand, three hundred forty-two".