1222206354 has 32 divisors (see below), whose sum is σ = 2754276480. Its totient is φ = 401662800.

The previous prime is 1222206319. The next prime is 1222206371. The reversal of 1222206354 is 4536022221.

It is a happy number.

1222206354 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 20 + 635 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155557 + ... + 163224.

It is an arithmetic number, because the mean of its divisors is an integer number (86071140).

Almost surely, 2^1222206354 is an apocalyptic number.

1222206354 is an abundant number, since it is smaller than the sum of its proper divisors (1532070126).

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

1222206354 is a wasteful number, since it uses less digits than its factorization.

1222206354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318863 (or 318857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1222206354 is about 34960.0679919247. The cubic root of 1222206354 is about 1069.1734828997.

Adding to 1222206354 its reverse (4536022221), we get a palindrome (5758228575).

The spelling of 1222206354 in words is "one billion, two hundred twenty-two million, two hundred six thousand, three hundred fifty-four".