1285051222 has 32 divisors (see below), whose sum is σ = 2376763200. Its totient is φ = 507437568.

The previous prime is 1285051213. The next prime is 1285051231. The reversal of 1285051222 is 2221505821.

It is an interprime number because it is at equal distance from previous prime (1285051213) and next prime (1285051231).

It is a congruent number.

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, 97354 + ... + 109762.

It is an arithmetic number, because the mean of its divisors is an integer number (74273850).

Almost surely, 2^1285051222 is an apocalyptic number.

1285051222 is a deficient number, since it is larger than the sum of its proper divisors (1091711978).

1285051222 is a wasteful number, since it uses less digits than its factorization.

1285051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1285051222 is about 35847.6111059022. The cubic root of 1285051222 is about 1087.1934142940.

The spelling of 1285051222 in words is "one billion, two hundred eighty-five million, fifty-one thousand, two hundred twenty-two".