421438713022 has 32 divisors (see below), whose sum is σ = 639599950080. Its totient is φ = 208257265920.

The previous prime is 421438712917. The next prime is 421438713023. The reversal of 421438713022 is 220317834124.

It is a super-2 number, since 2×421438713022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421438713023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39296953 + ... + 39307675.

It is an arithmetic number, because the mean of its divisors is an integer number (19987498440).

Almost surely, 2^421438713022 is an apocalyptic number.

421438713022 is a deficient number, since it is larger than the sum of its proper divisors (218161237058).

421438713022 is a wasteful number, since it uses less digits than its factorization.

421438713022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 421438713022 in words is "four hundred twenty-one billion, four hundred thirty-eight million, seven hundred thirteen thousand, twenty-two".