3535221400 has 144 divisors (see below), whose sum is σ = 9017547840. Its totient is φ = 1287321600.

The previous prime is 3535221367. The next prime is 3535221401. The reversal of 3535221400 is 41225353.

3535221400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535221401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1790814 + ... + 1792786.

It is an arithmetic number, because the mean of its divisors is an integer number (62621860).

Almost surely, 2^3535221400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3535221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4508773920).

3535221400 is an abundant number, since it is smaller than the sum of its proper divisors (5482326440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3535221400 is a wasteful number, since it uses less digits than its factorization.

3535221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3535221400 is about 59457.7278408787. The cubic root of 3535221400 is about 1523.3704927144.

Adding to 3535221400 its reverse (41225353), we get a palindrome (3576446753).

The spelling of 3535221400 in words is "three billion, five hundred thirty-five million, two hundred twenty-one thousand, four hundred".