1201222022 has 32 divisors (see below), whose sum is σ = 2419248384. Its totient is φ = 432007200.

The previous prime is 1201221961. The next prime is 1201222027. The reversal of 1201222022 is 2202221021.

It is a super-2 number, since 2×1201222022² = 2885868692275536968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1201221988 and 1201222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201222027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298004 + ... + 302007.

It is an arithmetic number, because the mean of its divisors is an integer number (75601512).

Almost surely, 2^1201222022 is an apocalyptic number.

1201222022 is an abundant number, since it is smaller than the sum of its proper divisors (1218026362).

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

1201222022 is a wasteful number, since it uses less digits than its factorization.

1201222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600044.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1201222022 is about 34658.6500314135. The cubic root of 1201222022 is about 1063.0191668469.

Adding to 1201222022 its reverse (2202221021), we get a palindrome (3403443043).

The spelling of 1201222022 in words is "one billion, two hundred one million, two hundred twenty-two thousand, twenty-two".