35222220 has 72 divisors (see below), whose sum is σ = 116560080. Its totient is φ = 8538240.

The previous prime is 35222207. The next prime is 35222227. The reversal of 35222220 is 2222253.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 35222193 and 35222202.

It is not an unprimeable number, because it can be changed into a prime (35222227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6915 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (1618890).

Almost surely, 2^35222220 is an apocalyptic number.

35222220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

35222220 is an abundant number, since it is smaller than the sum of its proper divisors (81337860).

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

35222220 is a wasteful number, since it uses less digits than its factorization.

35222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815 (or 17810 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 35222220 is about 5934.8310843696. The cubic root of 35222220 is about 327.7974532754.

Adding to 35222220 its reverse (2222253), we get a palindrome (37444473).

The spelling of 35222220 in words is "thirty-five million, two hundred twenty-two thousand, two hundred twenty".