35245022221 has 4 divisors (see below), whose sum is σ = 35403071872. Its totient is φ = 35086972572.

The previous prime is 35245022213. The next prime is 35245022227. The reversal of 35245022221 is 12222054253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12222054253 = 81569 ⋅149837.

It is a cyclic number.

It is not a de Polignac number, because 35245022221 - 2³ = 35245022213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35245022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35245022227) 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, 79024491 + ... + 79024936.

It is an arithmetic number, because the mean of its divisors is an integer number (8850767968).

Almost surely, 2^35245022221 is an apocalyptic number.

It is an amenable number.

35245022221 is a deficient number, since it is larger than the sum of its proper divisors (158049651).

35245022221 is a wasteful number, since it uses less digits than its factorization.

35245022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158049650.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 35245022221 its reverse (12222054253), we get a palindrome (47467076474).

The spelling of 35245022221 in words is "thirty-five billion, two hundred forty-five million, twenty-two thousand, two hundred twenty-one".