424431520022 has 4 divisors (see below), whose sum is σ = 636647280036. Its totient is φ = 212215760010.

The previous prime is 424431519991. The next prime is 424431520061. The reversal of 424431520022 is 220025134424.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106107880004 + ... + 106107880007.

It is an arithmetic number, because the mean of its divisors is an integer number (159161820009).

Almost surely, 2^424431520022 is an apocalyptic number.

424431520022 is a deficient number, since it is larger than the sum of its proper divisors (212215760014).

424431520022 is a wasteful number, since it uses less digits than its factorization.

424431520022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212215760013.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 424431520022 its reverse (220025134424), we get a palindrome (644456654446).

The spelling of 424431520022 in words is "four hundred twenty-four billion, four hundred thirty-one million, five hundred twenty thousand, twenty-two".