1051220222 has 24 divisors (see below), whose sum is σ = 1710187704. Its totient is φ = 484402464.

The previous prime is 1051220213. The next prime is 1051220231. The reversal of 1051220222 is 2220221501.

It is an interprime number because it is at equal distance from previous prime (1051220213) and next prime (1051220231).

It is a super-2 number, since 2×1051220222² = 2210127910283458568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245633 + ... + 249875.

It is an arithmetic number, because the mean of its divisors is an integer number (71257821).

Almost surely, 2^1051220222 is an apocalyptic number.

1051220222 is a deficient number, since it is larger than the sum of its proper divisors (658967482).

1051220222 is a wasteful number, since it uses less digits than its factorization.

1051220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1051220222 is about 32422.5264592382. The cubic root of 1051220222 is about 1016.7899279498.

Adding to 1051220222 its reverse (2220221501), we get a palindrome (3271441723).

The spelling of 1051220222 in words is "one billion, fifty-one million, two hundred twenty thousand, two hundred twenty-two".