21527377022 has 8 divisors (see below), whose sum is σ = 33695024976. Its totient is φ = 10295702032.

The previous prime is 21527377021. The next prime is 21527377031. The reversal of 21527377022 is 22077372512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21527377022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21527377021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233993183 + ... + 233993274.

It is an arithmetic number, because the mean of its divisors is an integer number (4211878122).

Almost surely, 2^21527377022 is an apocalyptic number.

21527377022 is a deficient number, since it is larger than the sum of its proper divisors (12167647954).

21527377022 is a wasteful number, since it uses less digits than its factorization.

21527377022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467986482.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 21527377022 in words is "twenty-one billion, five hundred twenty-seven million, three hundred seventy-seven thousand, twenty-two".