1630051222 has 16 divisors (see below), whose sum is σ = 2599750080. Its totient is φ = 763869568.

The previous prime is 1630051177. The next prime is 1630051231. The reversal of 1630051222 is 2221500361.

It is a junction number, because it is equal to n+sod(n) for n = 1630051193 and 1630051202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92173 + ... + 108424.

It is an arithmetic number, because the mean of its divisors is an integer number (162484380).

Almost surely, 2^1630051222 is an apocalyptic number.

1630051222 is a deficient number, since it is larger than the sum of its proper divisors (969698858).

1630051222 is a wasteful number, since it uses less digits than its factorization.

1630051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200855.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1630051222 is about 40373.8928269247. The cubic root of 1630051222 is about 1176.8842493233.

Adding to 1630051222 its reverse (2221500361), we get a palindrome (3851551583).

The spelling of 1630051222 in words is "one billion, six hundred thirty million, fifty-one thousand, two hundred twenty-two".