1212622 has 4 divisors (see below), whose sum is σ = 1818936. Its totient is φ = 606310.

The previous prime is 1212613. The next prime is 1212641. The reversal of 1212622 is 2262121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1212622² = 2940904229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212596 and 1212605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303154 + ... + 303157.

It is an arithmetic number, because the mean of its divisors is an integer number (454734).

2^1212622 is an apocalyptic number.

1212622 is a deficient number, since it is larger than the sum of its proper divisors (606314).

1212622 is an equidigital number, since it uses as much as digits as its factorization.

1212622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606313.

The product of its digits is 96, while the sum is 16.

The square root of 1212622 is about 1101.1911732302. The cubic root of 1212622 is about 106.6371380937.

Adding to 1212622 its reverse (2262121), we get a palindrome (3474743).

The spelling of 1212622 in words is "one million, two hundred twelve thousand, six hundred twenty-two".